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Finding the Fourth Proportional to 15,960,003.40, 22,400,691.80 and 15,960,003.40

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Solution

The fourth proportional to 15,960,003.40, 22,400,691.80 and 15,960,003.40 is: 22,400,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960,003.40 : 22,400,691.80 = 15,960,003.40 : x
  2. Step 2: Convert to fraction form
    15,960,003.40/22,400,691.80 = 15,960,003.40/x
  3. Step 3: Cross multiply
    15,960,003.40x = 22,400,691.80 × 15,960,003.40
  4. Step 4: Simplify right side
    15,960,003.40x = 357,515,117,290,352.12
  5. Step 5: Solve for x
    x = 357,515,117,290,352.12/15,960,003.40
  6. Step 6: Final answer
    x = 22,400,691.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.