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Finding the Fourth Proportional to 64,925.80, 97,359.90 and 29,876.20

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Solution

The fourth proportional to 64,925.80, 97,359.90 and 29,876.20 is: 44,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,925.80 : 97,359.90 = 29,876.20 : x
  2. Step 2: Convert to fraction form
    64,925.80/97,359.90 = 29,876.20/x
  3. Step 3: Cross multiply
    64,925.80x = 97,359.90 × 29,876.20
  4. Step 4: Simplify right side
    64,925.80x = 2,908,743,844.38
  5. Step 5: Solve for x
    x = 2,908,743,844.38/64,925.80
  6. Step 6: Final answer
    x = 44,801.05

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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.