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Finding the Fourth Proportional to 62,509.47, 86,246.01 and 35,642.18

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Solution

The fourth proportional to 62,509.47, 86,246.01 and 35,642.18 is: 49,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,509.47 : 86,246.01 = 35,642.18 : x
  2. Step 2: Convert to fraction form
    62,509.47/86,246.01 = 35,642.18/x
  3. Step 3: Cross multiply
    62,509.47x = 86,246.01 × 35,642.18
  4. Step 4: Simplify right side
    62,509.47x = 3,073,995,381.47
  5. Step 5: Solve for x
    x = 3,073,995,381.47/62,509.47
  6. Step 6: Final answer
    x = 49,176.47

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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.