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Finding the Fourth Proportional to 60,301.87, 90,457.16 and 15,928.05

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Solution

The fourth proportional to 60,301.87, 90,457.16 and 15,928.05 is: 23,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,301.87 : 90,457.16 = 15,928.05 : x
  2. Step 2: Convert to fraction form
    60,301.87/90,457.16 = 15,928.05/x
  3. Step 3: Cross multiply
    60,301.87x = 90,457.16 × 15,928.05
  4. Step 4: Simplify right side
    60,301.87x = 1,440,806,167.34
  5. Step 5: Solve for x
    x = 1,440,806,167.34/60,301.87
  6. Step 6: Final answer
    x = 23,893.23

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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.