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Finding the Fourth Proportional to 52,787,999.70, 79,181,999.55 and 26,959,967.10

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Solution

The fourth proportional to 52,787,999.70, 79,181,999.55 and 26,959,967.10 is: 40,439,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787,999.70 : 79,181,999.55 = 26,959,967.10 : x
  2. Step 2: Convert to fraction form
    52,787,999.70/79,181,999.55 = 26,959,967.10/x
  3. Step 3: Cross multiply
    52,787,999.70x = 79,181,999.55 × 26,959,967.10
  4. Step 4: Simplify right side
    52,787,999.70x = 2,134,744,102,780,214.75
  5. Step 5: Solve for x
    x = 2,134,744,102,780,214.75/52,787,999.70
  6. Step 6: Final answer
    x = 40,439,950.65

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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.