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Finding the Fourth Proportional to 48,441.59, 66,848.54 and 29,578.71

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Solution

The fourth proportional to 48,441.59, 66,848.54 and 29,578.71 is: 40,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,441.59 : 66,848.54 = 29,578.71 : x
  2. Step 2: Convert to fraction form
    48,441.59/66,848.54 = 29,578.71/x
  3. Step 3: Cross multiply
    48,441.59x = 66,848.54 × 29,578.71
  4. Step 4: Simplify right side
    48,441.59x = 1,977,293,430.69
  5. Step 5: Solve for x
    x = 1,977,293,430.69/48,441.59
  6. Step 6: Final answer
    x = 40,818.10

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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.