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Finding the Fourth Proportional to 5,323.48, 7,329.54 and 4,691.68

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Solution

The fourth proportional to 5,323.48, 7,329.54 and 4,691.68 is: 6,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.48 : 7,329.54 = 4,691.68 : x
  2. Step 2: Convert to fraction form
    5,323.48/7,329.54 = 4,691.68/x
  3. Step 3: Cross multiply
    5,323.48x = 7,329.54 × 4,691.68
  4. Step 4: Simplify right side
    5,323.48x = 34,387,856.23
  5. Step 5: Solve for x
    x = 34,387,856.23/5,323.48
  6. Step 6: Final answer
    x = 6,459.66

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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.