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Finding the Fourth Proportional to 64,964.29, 97,440.05 and 44,038.75

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Solution

The fourth proportional to 64,964.29, 97,440.05 and 44,038.75 is: 66,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964.29 : 97,440.05 = 44,038.75 : x
  2. Step 2: Convert to fraction form
    64,964.29/97,440.05 = 44,038.75/x
  3. Step 3: Cross multiply
    64,964.29x = 97,440.05 × 44,038.75
  4. Step 4: Simplify right side
    64,964.29x = 4,291,138,001.94
  5. Step 5: Solve for x
    x = 4,291,138,001.94/64,964.29
  6. Step 6: Final answer
    x = 66,053.80

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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.