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Finding the Fourth Proportional to 5,507.95, 8,259.08 and 2,220.16

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Solution

The fourth proportional to 5,507.95, 8,259.08 and 2,220.16 is: 3,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.95 : 8,259.08 = 2,220.16 : x
  2. Step 2: Convert to fraction form
    5,507.95/8,259.08 = 2,220.16/x
  3. Step 3: Cross multiply
    5,507.95x = 8,259.08 × 2,220.16
  4. Step 4: Simplify right side
    5,507.95x = 18,336,437.76
  5. Step 5: Solve for x
    x = 18,336,437.76/5,507.95
  6. Step 6: Final answer
    x = 3,329.09

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.