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Finding the Fourth Proportional to 6,572.75, 9,059.59 and 4,659.21

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Solution

The fourth proportional to 6,572.75, 9,059.59 and 4,659.21 is: 6,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.75 : 9,059.59 = 4,659.21 : x
  2. Step 2: Convert to fraction form
    6,572.75/9,059.59 = 4,659.21/x
  3. Step 3: Cross multiply
    6,572.75x = 9,059.59 × 4,659.21
  4. Step 4: Simplify right side
    6,572.75x = 42,210,532.32
  5. Step 5: Solve for x
    x = 42,210,532.32/6,572.75
  6. Step 6: Final answer
    x = 6,422.05

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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.