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Finding the Fourth Proportional to 64,377.90, 88,841.69 and 35,699.58

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Solution

The fourth proportional to 64,377.90, 88,841.69 and 35,699.58 is: 49,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,377.90 : 88,841.69 = 35,699.58 : x
  2. Step 2: Convert to fraction form
    64,377.90/88,841.69 = 35,699.58/x
  3. Step 3: Cross multiply
    64,377.90x = 88,841.69 × 35,699.58
  4. Step 4: Simplify right side
    64,377.90x = 3,171,610,797.39
  5. Step 5: Solve for x
    x = 3,171,610,797.39/64,377.90
  6. Step 6: Final answer
    x = 49,265.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.