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Finding the Fourth Proportional to 29,607,612.40, 44,486,068.20 and 18,830,076.40

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Solution

The fourth proportional to 29,607,612.40, 44,486,068.20 and 18,830,076.40 is: 28,292,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607,612.40 : 44,486,068.20 = 18,830,076.40 : x
  2. Step 2: Convert to fraction form
    29,607,612.40/44,486,068.20 = 18,830,076.40/x
  3. Step 3: Cross multiply
    29,607,612.40x = 44,486,068.20 × 18,830,076.40
  4. Step 4: Simplify right side
    29,607,612.40x = 837,676,062,941,610.50
  5. Step 5: Solve for x
    x = 837,676,062,941,610.50/29,607,612.40
  6. Step 6: Final answer
    x = 28,292,590.83

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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.