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Finding the Fourth Proportional to 16,632,408.40, 24,948,612.60 and 16,408,459.60

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Solution

The fourth proportional to 16,632,408.40, 24,948,612.60 and 16,408,459.60 is: 24,612,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632,408.40 : 24,948,612.60 = 16,408,459.60 : x
  2. Step 2: Convert to fraction form
    16,632,408.40/24,948,612.60 = 16,408,459.60/x
  3. Step 3: Cross multiply
    16,632,408.40x = 24,948,612.60 × 16,408,459.60
  4. Step 4: Simplify right side
    16,632,408.40x = 409,368,301,923,151
  5. Step 5: Solve for x
    x = 409,368,301,923,151/16,632,408.40
  6. Step 6: Final answer
    x = 24,612,689.40

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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.