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Finding the Fourth Proportional to 5,817,551.76, 8,726,327.64 and 1,828,463.76

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Solution

The fourth proportional to 5,817,551.76, 8,726,327.64 and 1,828,463.76 is: 2,742,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817,551.76 : 8,726,327.64 = 1,828,463.76 : x
  2. Step 2: Convert to fraction form
    5,817,551.76/8,726,327.64 = 1,828,463.76/x
  3. Step 3: Cross multiply
    5,817,551.76x = 8,726,327.64 × 1,828,463.76
  4. Step 4: Simplify right side
    5,817,551.76x = 15,955,773,847,626.33
  5. Step 5: Solve for x
    x = 15,955,773,847,626.33/5,817,551.76
  6. Step 6: Final answer
    x = 2,742,695.64

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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.