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Finding the Fourth Proportional to 10,497.64, 15,751.92 and 4,652.89

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Solution

The fourth proportional to 10,497.64, 15,751.92 and 4,652.89 is: 6,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.64 : 15,751.92 = 4,652.89 : x
  2. Step 2: Convert to fraction form
    10,497.64/15,751.92 = 4,652.89/x
  3. Step 3: Cross multiply
    10,497.64x = 15,751.92 × 4,652.89
  4. Step 4: Simplify right side
    10,497.64x = 73,291,951.05
  5. Step 5: Solve for x
    x = 73,291,951.05/10,497.64
  6. Step 6: Final answer
    x = 6,981.76

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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.