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Finding the Fourth Proportional to 13,833,807.60, 20,750,711.40 and 9,298,844.40

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Solution

The fourth proportional to 13,833,807.60, 20,750,711.40 and 9,298,844.40 is: 13,948,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833,807.60 : 20,750,711.40 = 9,298,844.40 : x
  2. Step 2: Convert to fraction form
    13,833,807.60/20,750,711.40 = 9,298,844.40/x
  3. Step 3: Cross multiply
    13,833,807.60x = 20,750,711.40 × 9,298,844.40
  4. Step 4: Simplify right side
    13,833,807.60x = 192,957,636,497,906.16
  5. Step 5: Solve for x
    x = 192,957,636,497,906.16/13,833,807.60
  6. Step 6: Final answer
    x = 13,948,266.60

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1.5x scale

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.