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Finding the Fourth Proportional to 45,922,689.60, 68,884,034.40 and 38,420,404.80

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Solution

The fourth proportional to 45,922,689.60, 68,884,034.40 and 38,420,404.80 is: 57,630,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,922,689.60 : 68,884,034.40 = 38,420,404.80 : x
  2. Step 2: Convert to fraction form
    45,922,689.60/68,884,034.40 = 38,420,404.80/x
  3. Step 3: Cross multiply
    45,922,689.60x = 68,884,034.40 × 38,420,404.80
  4. Step 4: Simplify right side
    45,922,689.60x = 2,646,552,485,905,125
  5. Step 5: Solve for x
    x = 2,646,552,485,905,125/45,922,689.60
  6. Step 6: Final answer
    x = 57,630,607.20

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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.