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Finding the Fourth Proportional to 28,789,598.80, 43,156,750.20 and 16,646,597.20

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Solution

The fourth proportional to 28,789,598.80, 43,156,750.20 and 16,646,597.20 is: 24,953,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789,598.80 : 43,156,750.20 = 16,646,597.20 : x
  2. Step 2: Convert to fraction form
    28,789,598.80/43,156,750.20 = 16,646,597.20/x
  3. Step 3: Cross multiply
    28,789,598.80x = 43,156,750.20 × 16,646,597.20
  4. Step 4: Simplify right side
    28,789,598.80x = 718,413,037,040,419.50
  5. Step 5: Solve for x
    x = 718,413,037,040,419.50/28,789,598.80
  6. Step 6: Final answer
    x = 24,953,909.29

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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.