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Finding the Fourth Proportional to 34,793.60, 48,014.96 and 18,877.70

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Solution

The fourth proportional to 34,793.60, 48,014.96 and 18,877.70 is: 26,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,793.60 : 48,014.96 = 18,877.70 : x
  2. Step 2: Convert to fraction form
    34,793.60/48,014.96 = 18,877.70/x
  3. Step 3: Cross multiply
    34,793.60x = 48,014.96 × 18,877.70
  4. Step 4: Simplify right side
    34,793.60x = 906,412,036.04
  5. Step 5: Solve for x
    x = 906,412,036.04/34,793.60
  6. Step 6: Final answer
    x = 26,051.12

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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.