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Finding the Fourth Proportional to 8,866,765.66, 13,300,710.41 and 3,748,241.61

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Solution

The fourth proportional to 8,866,765.66, 13,300,710.41 and 3,748,241.61 is: 5,622,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866,765.66 : 13,300,710.41 = 3,748,241.61 : x
  2. Step 2: Convert to fraction form
    8,866,765.66/13,300,710.41 = 3,748,241.61/x
  3. Step 3: Cross multiply
    8,866,765.66x = 13,300,710.41 × 3,748,241.61
  4. Step 4: Simplify right side
    8,866,765.66x = 49,854,276,201,322.16
  5. Step 5: Solve for x
    x = 49,854,276,201,322.16/8,866,765.66
  6. Step 6: Final answer
    x = 5,622,599.96

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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.