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Finding the Fourth Proportional to 7,294.92, 10,925.96 and 5,113.40

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Solution

The fourth proportional to 7,294.92, 10,925.96 and 5,113.40 is: 7,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.92 : 10,925.96 = 5,113.40 : x
  2. Step 2: Convert to fraction form
    7,294.92/10,925.96 = 5,113.40/x
  3. Step 3: Cross multiply
    7,294.92x = 10,925.96 × 5,113.40
  4. Step 4: Simplify right side
    7,294.92x = 55,868,723.67
  5. Step 5: Solve for x
    x = 55,868,723.67/7,294.92
  6. Step 6: Final answer
    x = 7,658.58

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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.