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Finding the Fourth Proportional to 60,089.49, 90,139.50 and 15,716.07

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Solution

The fourth proportional to 60,089.49, 90,139.50 and 15,716.07 is: 23,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,089.49 : 90,139.50 = 15,716.07 : x
  2. Step 2: Convert to fraction form
    60,089.49/90,139.50 = 15,716.07/x
  3. Step 3: Cross multiply
    60,089.49x = 90,139.50 × 15,716.07
  4. Step 4: Simplify right side
    60,089.49x = 1,416,638,691.77
  5. Step 5: Solve for x
    x = 1,416,638,691.77/60,089.49
  6. Step 6: Final answer
    x = 23,575.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.