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Finding the Fourth Proportional to 7,192.96, 9,925.68 and 4,397.92

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Solution

The fourth proportional to 7,192.96, 9,925.68 and 4,397.92 is: 6,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.96 : 9,925.68 = 4,397.92 : x
  2. Step 2: Convert to fraction form
    7,192.96/9,925.68 = 4,397.92/x
  3. Step 3: Cross multiply
    7,192.96x = 9,925.68 × 4,397.92
  4. Step 4: Simplify right side
    7,192.96x = 43,652,346.59
  5. Step 5: Solve for x
    x = 43,652,346.59/7,192.96
  6. Step 6: Final answer
    x = 6,068.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.