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Finding the Fourth Proportional to 54,807.71, 75,641.02 and 45,592.99

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Solution

The fourth proportional to 54,807.71, 75,641.02 and 45,592.99 is: 62,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807.71 : 75,641.02 = 45,592.99 : x
  2. Step 2: Convert to fraction form
    54,807.71/75,641.02 = 45,592.99/x
  3. Step 3: Cross multiply
    54,807.71x = 75,641.02 × 45,592.99
  4. Step 4: Simplify right side
    54,807.71x = 3,448,700,221.83
  5. Step 5: Solve for x
    x = 3,448,700,221.83/54,807.71
  6. Step 6: Final answer
    x = 62,923.63

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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.