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Finding the Fourth Proportional to 67,878.48, 93,670.86 and 37,663.16

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Solution

The fourth proportional to 67,878.48, 93,670.86 and 37,663.16 is: 51,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878.48 : 93,670.86 = 37,663.16 : x
  2. Step 2: Convert to fraction form
    67,878.48/93,670.86 = 37,663.16/x
  3. Step 3: Cross multiply
    67,878.48x = 93,670.86 × 37,663.16
  4. Step 4: Simplify right side
    67,878.48x = 3,527,940,119.16
  5. Step 5: Solve for x
    x = 3,527,940,119.16/67,878.48
  6. Step 6: Final answer
    x = 51,974.35

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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.