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Finding the Fourth Proportional to 12,614,408.40, 17,708,001.45 and 12,614,408.40

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Solution

The fourth proportional to 12,614,408.40, 17,708,001.45 and 12,614,408.40 is: 17,708,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614,408.40 : 17,708,001.45 = 12,614,408.40 : x
  2. Step 2: Convert to fraction form
    12,614,408.40/17,708,001.45 = 12,614,408.40/x
  3. Step 3: Cross multiply
    12,614,408.40x = 17,708,001.45 × 12,614,408.40
  4. Step 4: Simplify right side
    12,614,408.40x = 223,375,962,238,092.19
  5. Step 5: Solve for x
    x = 223,375,962,238,092.19/12,614,408.40
  6. Step 6: Final answer
    x = 17,708,001.45

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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.