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Finding the Fourth Proportional to 10,612.81, 15,908.10 and 5,925.94

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Solution

The fourth proportional to 10,612.81, 15,908.10 and 5,925.94 is: 8,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.81 : 15,908.10 = 5,925.94 : x
  2. Step 2: Convert to fraction form
    10,612.81/15,908.10 = 5,925.94/x
  3. Step 3: Cross multiply
    10,612.81x = 15,908.10 × 5,925.94
  4. Step 4: Simplify right side
    10,612.81x = 94,270,446.11
  5. Step 5: Solve for x
    x = 94,270,446.11/10,612.81
  6. Step 6: Final answer
    x = 8,882.70

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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.