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Finding the Fourth Proportional to 47,876,689.60, 71,815,034.40 and 33,264,030.40

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Solution

The fourth proportional to 47,876,689.60, 71,815,034.40 and 33,264,030.40 is: 49,896,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876,689.60 : 71,815,034.40 = 33,264,030.40 : x
  2. Step 2: Convert to fraction form
    47,876,689.60/71,815,034.40 = 33,264,030.40/x
  3. Step 3: Cross multiply
    47,876,689.60x = 71,815,034.40 × 33,264,030.40
  4. Step 4: Simplify right side
    47,876,689.60x = 2,388,857,487,458,646
  5. Step 5: Solve for x
    x = 2,388,857,487,458,646/47,876,689.60
  6. Step 6: Final answer
    x = 49,896,045.60

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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.