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Finding the Fourth Proportional to 68,656.98, 94,746.87 and 38,443.62

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Solution

The fourth proportional to 68,656.98, 94,746.87 and 38,443.62 is: 53,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.98 : 94,746.87 = 38,443.62 : x
  2. Step 2: Convert to fraction form
    68,656.98/94,746.87 = 38,443.62/x
  3. Step 3: Cross multiply
    68,656.98x = 94,746.87 × 38,443.62
  4. Step 4: Simplify right side
    68,656.98x = 3,642,412,666.47
  5. Step 5: Solve for x
    x = 3,642,412,666.47/68,656.98
  6. Step 6: Final answer
    x = 53,052.33

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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.