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Finding the Fourth Proportional to 48,468.84, 66,890.52 and 29,609.52

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Solution

The fourth proportional to 48,468.84, 66,890.52 and 29,609.52 is: 40,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,468.84 : 66,890.52 = 29,609.52 : x
  2. Step 2: Convert to fraction form
    48,468.84/66,890.52 = 29,609.52/x
  3. Step 3: Cross multiply
    48,468.84x = 66,890.52 × 29,609.52
  4. Step 4: Simplify right side
    48,468.84x = 1,980,596,189.75
  5. Step 5: Solve for x
    x = 1,980,596,189.75/48,468.84
  6. Step 6: Final answer
    x = 40,863.29

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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.