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Finding the Fourth Proportional to 29,803,087.20, 44,704,630.80 and 28,039,490.40

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Solution

The fourth proportional to 29,803,087.20, 44,704,630.80 and 28,039,490.40 is: 42,059,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,803,087.20 : 44,704,630.80 = 28,039,490.40 : x
  2. Step 2: Convert to fraction form
    29,803,087.20/44,704,630.80 = 28,039,490.40/x
  3. Step 3: Cross multiply
    29,803,087.20x = 44,704,630.80 × 28,039,490.40
  4. Step 4: Simplify right side
    29,803,087.20x = 1,253,495,066,152,144.25
  5. Step 5: Solve for x
    x = 1,253,495,066,152,144.25/29,803,087.20
  6. Step 6: Final answer
    x = 42,059,235.60

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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.