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Finding the Fourth Proportional to 8,854,752.64, 13,282,128.92 and 5,065,578.32

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Solution

The fourth proportional to 8,854,752.64, 13,282,128.92 and 5,065,578.32 is: 7,598,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854,752.64 : 13,282,128.92 = 5,065,578.32 : x
  2. Step 2: Convert to fraction form
    8,854,752.64/13,282,128.92 = 5,065,578.32/x
  3. Step 3: Cross multiply
    8,854,752.64x = 13,282,128.92 × 5,065,578.32
  4. Step 4: Simplify right side
    8,854,752.64x = 67,281,664,300,597.02
  5. Step 5: Solve for x
    x = 67,281,664,300,597.02/8,854,752.64
  6. Step 6: Final answer
    x = 7,598,367.46

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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.