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Finding the Fourth Proportional to 60,720.99, 83,805.21 and 44,851.47

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Solution

The fourth proportional to 60,720.99, 83,805.21 and 44,851.47 is: 61,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.99 : 83,805.21 = 44,851.47 : x
  2. Step 2: Convert to fraction form
    60,720.99/83,805.21 = 44,851.47/x
  3. Step 3: Cross multiply
    60,720.99x = 83,805.21 × 44,851.47
  4. Step 4: Simplify right side
    60,720.99x = 3,758,786,862.16
  5. Step 5: Solve for x
    x = 3,758,786,862.16/60,720.99
  6. Step 6: Final answer
    x = 61,902.60

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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.