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Finding the Fourth Proportional to 10,393.76, 15,575.54 and 5,937.68

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Solution

The fourth proportional to 10,393.76, 15,575.54 and 5,937.68 is: 8,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.76 : 15,575.54 = 5,937.68 : x
  2. Step 2: Convert to fraction form
    10,393.76/15,575.54 = 5,937.68/x
  3. Step 3: Cross multiply
    10,393.76x = 15,575.54 × 5,937.68
  4. Step 4: Simplify right side
    10,393.76x = 92,482,581.60
  5. Step 5: Solve for x
    x = 92,482,581.60/10,393.76
  6. Step 6: Final answer
    x = 8,897.89

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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.