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Finding the Fourth Proportional to 15,000.74, 22,503.84 and 7,508.22

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Solution

The fourth proportional to 15,000.74, 22,503.84 and 7,508.22 is: 11,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.74 : 22,503.84 = 7,508.22 : x
  2. Step 2: Convert to fraction form
    15,000.74/22,503.84 = 7,508.22/x
  3. Step 3: Cross multiply
    15,000.74x = 22,503.84 × 7,508.22
  4. Step 4: Simplify right side
    15,000.74x = 168,963,781.56
  5. Step 5: Solve for x
    x = 168,963,781.56/15,000.74
  6. Step 6: Final answer
    x = 11,263.70

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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.