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Finding the Fourth Proportional to 60,423, 90,653.76 and 25,353.24

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Solution

The fourth proportional to 60,423, 90,653.76 and 25,353.24 is: 38,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,423 : 90,653.76 = 25,353.24 : x
  2. Step 2: Convert to fraction form
    60,423/90,653.76 = 25,353.24/x
  3. Step 3: Cross multiply
    60,423x = 90,653.76 × 25,353.24
  4. Step 4: Simplify right side
    60,423x = 2,298,366,534.18
  5. Step 5: Solve for x
    x = 2,298,366,534.18/60,423
  6. Step 6: Final answer
    x = 38,037.94

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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.