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Finding the Fourth Proportional to 74,503.71, 111,774.20 and 24,586.65

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Solution

The fourth proportional to 74,503.71, 111,774.20 and 24,586.65 is: 36,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,503.71 : 111,774.20 = 24,586.65 : x
  2. Step 2: Convert to fraction form
    74,503.71/111,774.20 = 24,586.65/x
  3. Step 3: Cross multiply
    74,503.71x = 111,774.20 × 24,586.65
  4. Step 4: Simplify right side
    74,503.71x = 2,748,153,011.50
  5. Step 5: Solve for x
    x = 2,748,153,011.50/74,503.71
  6. Step 6: Final answer
    x = 36,886.12

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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.