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Finding the Fourth Proportional to 8,802.47, 13,118.76 and 8,788.60

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Solution

The fourth proportional to 8,802.47, 13,118.76 and 8,788.60 is: 13,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.47 : 13,118.76 = 8,788.60 : x
  2. Step 2: Convert to fraction form
    8,802.47/13,118.76 = 8,788.60/x
  3. Step 3: Cross multiply
    8,802.47x = 13,118.76 × 8,788.60
  4. Step 4: Simplify right side
    8,802.47x = 115,295,550.53
  5. Step 5: Solve for x
    x = 115,295,550.53/8,802.47
  6. Step 6: Final answer
    x = 13,098.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.