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Finding the Fourth Proportional to 60,551.09, 83,583.76 and 45,487.45

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Solution

The fourth proportional to 60,551.09, 83,583.76 and 45,487.45 is: 62,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,551.09 : 83,583.76 = 45,487.45 : x
  2. Step 2: Convert to fraction form
    60,551.09/83,583.76 = 45,487.45/x
  3. Step 3: Cross multiply
    60,551.09x = 83,583.76 × 45,487.45
  4. Step 4: Simplify right side
    60,551.09x = 3,802,012,008.75
  5. Step 5: Solve for x
    x = 3,802,012,008.75/60,551.09
  6. Step 6: Final answer
    x = 62,790.15

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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.