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Finding the Fourth Proportional to 16,572,652.60, 24,858,978.90 and 5,216,582.20

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Solution

The fourth proportional to 16,572,652.60, 24,858,978.90 and 5,216,582.20 is: 7,824,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572,652.60 : 24,858,978.90 = 5,216,582.20 : x
  2. Step 2: Convert to fraction form
    16,572,652.60/24,858,978.90 = 5,216,582.20/x
  3. Step 3: Cross multiply
    16,572,652.60x = 24,858,978.90 × 5,216,582.20
  4. Step 4: Simplify right side
    16,572,652.60x = 129,678,906,839,915.58
  5. Step 5: Solve for x
    x = 129,678,906,839,915.58/16,572,652.60
  6. Step 6: Final answer
    x = 7,824,873.30

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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.