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Finding the Fourth Proportional to 8,492.92, 12,752.16 and 7,332.08

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Solution

The fourth proportional to 8,492.92, 12,752.16 and 7,332.08 is: 11,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.92 : 12,752.16 = 7,332.08 : x
  2. Step 2: Convert to fraction form
    8,492.92/12,752.16 = 7,332.08/x
  3. Step 3: Cross multiply
    8,492.92x = 12,752.16 × 7,332.08
  4. Step 4: Simplify right side
    8,492.92x = 93,499,857.29
  5. Step 5: Solve for x
    x = 93,499,857.29/8,492.92
  6. Step 6: Final answer
    x = 11,009.15

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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.