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Finding the Fourth Proportional to 64,424, 96,701.52 and 44,434.88

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Solution

The fourth proportional to 64,424, 96,701.52 and 44,434.88 is: 66,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424 : 96,701.52 = 44,434.88 : x
  2. Step 2: Convert to fraction form
    64,424/96,701.52 = 44,434.88/x
  3. Step 3: Cross multiply
    64,424x = 96,701.52 × 44,434.88
  4. Step 4: Simplify right side
    64,424x = 4,296,920,437.02
  5. Step 5: Solve for x
    x = 4,296,920,437.02/64,424
  6. Step 6: Final answer
    x = 66,697.51

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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.