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Finding the Fourth Proportional to 8,237,866.48, 12,358,857.88 and 5,813,752.80

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Solution

The fourth proportional to 8,237,866.48, 12,358,857.88 and 5,813,752.80 is: 8,722,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,866.48 : 12,358,857.88 = 5,813,752.80 : x
  2. Step 2: Convert to fraction form
    8,237,866.48/12,358,857.88 = 5,813,752.80/x
  3. Step 3: Cross multiply
    8,237,866.48x = 12,358,857.88 × 5,813,752.80
  4. Step 4: Simplify right side
    8,237,866.48x = 71,851,344,604,652.06
  5. Step 5: Solve for x
    x = 71,851,344,604,652.06/8,237,866.48
  6. Step 6: Final answer
    x = 8,722,081.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.