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Finding the Fourth Proportional to 8,648,711.76, 11,935,471.31 and 4,781,482.03

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Solution

The fourth proportional to 8,648,711.76, 11,935,471.31 and 4,781,482.03 is: 6,598,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648,711.76 : 11,935,471.31 = 4,781,482.03 : x
  2. Step 2: Convert to fraction form
    8,648,711.76/11,935,471.31 = 4,781,482.03/x
  3. Step 3: Cross multiply
    8,648,711.76x = 11,935,471.31 × 4,781,482.03
  4. Step 4: Simplify right side
    8,648,711.76x = 57,069,241,588,345.56
  5. Step 5: Solve for x
    x = 57,069,241,588,345.56/8,648,711.76
  6. Step 6: Final answer
    x = 6,598,582.91

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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.