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Finding the Fourth Proportional to 48,877.60, 73,316.40 and 29,178.40

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Solution

The fourth proportional to 48,877.60, 73,316.40 and 29,178.40 is: 43,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,877.60 : 73,316.40 = 29,178.40 : x
  2. Step 2: Convert to fraction form
    48,877.60/73,316.40 = 29,178.40/x
  3. Step 3: Cross multiply
    48,877.60x = 73,316.40 × 29,178.40
  4. Step 4: Simplify right side
    48,877.60x = 2,139,255,245.76
  5. Step 5: Solve for x
    x = 2,139,255,245.76/48,877.60
  6. Step 6: Final answer
    x = 43,767.60

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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.