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Finding the Fourth Proportional to 60,302.29, 90,457.79 and 15,928.47

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Solution

The fourth proportional to 60,302.29, 90,457.79 and 15,928.47 is: 23,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,302.29 : 90,457.79 = 15,928.47 : x
  2. Step 2: Convert to fraction form
    60,302.29/90,457.79 = 15,928.47/x
  3. Step 3: Cross multiply
    60,302.29x = 90,457.79 × 15,928.47
  4. Step 4: Simplify right side
    60,302.29x = 1,440,854,194.28
  5. Step 5: Solve for x
    x = 1,440,854,194.28/60,302.29
  6. Step 6: Final answer
    x = 23,893.86

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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.