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Finding the Fourth Proportional to 7,248.58, 10,854.41 and 4,775.91

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Solution

The fourth proportional to 7,248.58, 10,854.41 and 4,775.91 is: 7,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.58 : 10,854.41 = 4,775.91 : x
  2. Step 2: Convert to fraction form
    7,248.58/10,854.41 = 4,775.91/x
  3. Step 3: Cross multiply
    7,248.58x = 10,854.41 × 4,775.91
  4. Step 4: Simplify right side
    7,248.58x = 51,839,681.33
  5. Step 5: Solve for x
    x = 51,839,681.33/7,248.58
  6. Step 6: Final answer
    x = 7,151.70

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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.