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Finding the Fourth Proportional to 64,042.95, 88,374.68 and 35,357.99

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Solution

The fourth proportional to 64,042.95, 88,374.68 and 35,357.99 is: 48,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,042.95 : 88,374.68 = 35,357.99 : x
  2. Step 2: Convert to fraction form
    64,042.95/88,374.68 = 35,357.99/x
  3. Step 3: Cross multiply
    64,042.95x = 88,374.68 × 35,357.99
  4. Step 4: Simplify right side
    64,042.95x = 3,124,750,565.62
  5. Step 5: Solve for x
    x = 3,124,750,565.62/64,042.95
  6. Step 6: Final answer
    x = 48,791.48

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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.