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Finding the Fourth Proportional to 60,087.67, 90,124.62 and 15,718.71

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Solution

The fourth proportional to 60,087.67, 90,124.62 and 15,718.71 is: 23,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,087.67 : 90,124.62 = 15,718.71 : x
  2. Step 2: Convert to fraction form
    60,087.67/90,124.62 = 15,718.71/x
  3. Step 3: Cross multiply
    60,087.67x = 90,124.62 × 15,718.71
  4. Step 4: Simplify right side
    60,087.67x = 1,416,642,315.02
  5. Step 5: Solve for x
    x = 1,416,642,315.02/60,087.67
  6. Step 6: Final answer
    x = 23,576.26

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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.