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Finding the Fourth Proportional to 67,842.60, 93,628.54 and 37,637.66

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Solution

The fourth proportional to 67,842.60, 93,628.54 and 37,637.66 is: 51,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,842.60 : 93,628.54 = 37,637.66 : x
  2. Step 2: Convert to fraction form
    67,842.60/93,628.54 = 37,637.66/x
  3. Step 3: Cross multiply
    67,842.60x = 93,628.54 × 37,637.66
  4. Step 4: Simplify right side
    67,842.60x = 3,523,959,154.82
  5. Step 5: Solve for x
    x = 3,523,959,154.82/67,842.60
  6. Step 6: Final answer
    x = 51,943.16

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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.