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Finding the Fourth Proportional to 16,482,929.76, 24,728,595.84 and 5,123,476.80

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Solution

The fourth proportional to 16,482,929.76, 24,728,595.84 and 5,123,476.80 is: 7,686,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482,929.76 : 24,728,595.84 = 5,123,476.80 : x
  2. Step 2: Convert to fraction form
    16,482,929.76/24,728,595.84 = 5,123,476.80/x
  3. Step 3: Cross multiply
    16,482,929.76x = 24,728,595.84 × 5,123,476.80
  4. Step 4: Simplify right side
    16,482,929.76x = 126,696,387,082,816.50
  5. Step 5: Solve for x
    x = 126,696,387,082,816.50/16,482,929.76
  6. Step 6: Final answer
    x = 7,686,521.08

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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.