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Finding the Fourth Proportional to 29,602,648.80, 44,403,973.20 and 28,327,190.40

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Solution

The fourth proportional to 29,602,648.80, 44,403,973.20 and 28,327,190.40 is: 42,490,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602,648.80 : 44,403,973.20 = 28,327,190.40 : x
  2. Step 2: Convert to fraction form
    29,602,648.80/44,403,973.20 = 28,327,190.40/x
  3. Step 3: Cross multiply
    29,602,648.80x = 44,403,973.20 × 28,327,190.40
  4. Step 4: Simplify right side
    29,602,648.80x = 1,257,839,803,352,897.25
  5. Step 5: Solve for x
    x = 1,257,839,803,352,897.25/29,602,648.80
  6. Step 6: Final answer
    x = 42,490,785.60

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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.