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Finding the Fourth Proportional to 7,900.35, 10,902.65 and 4,544.25

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Solution

The fourth proportional to 7,900.35, 10,902.65 and 4,544.25 is: 6,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.35 : 10,902.65 = 4,544.25 : x
  2. Step 2: Convert to fraction form
    7,900.35/10,902.65 = 4,544.25/x
  3. Step 3: Cross multiply
    7,900.35x = 10,902.65 × 4,544.25
  4. Step 4: Simplify right side
    7,900.35x = 49,544,344.54
  5. Step 5: Solve for x
    x = 49,544,344.54/7,900.35
  6. Step 6: Final answer
    x = 6,271.16

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.