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Finding the Fourth Proportional to 60,302.38, 90,457.90 and 15,928.70

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Solution

The fourth proportional to 60,302.38, 90,457.90 and 15,928.70 is: 23,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,302.38 : 90,457.90 = 15,928.70 : x
  2. Step 2: Convert to fraction form
    60,302.38/90,457.90 = 15,928.70/x
  3. Step 3: Cross multiply
    60,302.38x = 90,457.90 × 15,928.70
  4. Step 4: Simplify right side
    60,302.38x = 1,440,876,751.73
  5. Step 5: Solve for x
    x = 1,440,876,751.73/60,302.38
  6. Step 6: Final answer
    x = 23,894.19

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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.