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Finding the Fourth Proportional to 10,575.92, 15,888.18 and 7,463.08

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Solution

The fourth proportional to 10,575.92, 15,888.18 and 7,463.08 is: 11,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.92 : 15,888.18 = 7,463.08 : x
  2. Step 2: Convert to fraction form
    10,575.92/15,888.18 = 7,463.08/x
  3. Step 3: Cross multiply
    10,575.92x = 15,888.18 × 7,463.08
  4. Step 4: Simplify right side
    10,575.92x = 118,574,758.39
  5. Step 5: Solve for x
    x = 118,574,758.39/10,575.92
  6. Step 6: Final answer
    x = 11,211.77

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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.