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Finding the Fourth Proportional to 67,663.12, 93,373.80 and 37,448.44

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Solution

The fourth proportional to 67,663.12, 93,373.80 and 37,448.44 is: 51,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,663.12 : 93,373.80 = 37,448.44 : x
  2. Step 2: Convert to fraction form
    67,663.12/93,373.80 = 37,448.44/x
  3. Step 3: Cross multiply
    67,663.12x = 93,373.80 × 37,448.44
  4. Step 4: Simplify right side
    67,663.12x = 3,496,703,146.87
  5. Step 5: Solve for x
    x = 3,496,703,146.87/67,663.12
  6. Step 6: Final answer
    x = 51,678.12

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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.