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Finding the Fourth Proportional to 68,495.96, 94,524.10 and 38,281.28

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Solution

The fourth proportional to 68,495.96, 94,524.10 and 38,281.28 is: 52,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,495.96 : 94,524.10 = 38,281.28 : x
  2. Step 2: Convert to fraction form
    68,495.96/94,524.10 = 38,281.28/x
  3. Step 3: Cross multiply
    68,495.96x = 94,524.10 × 38,281.28
  4. Step 4: Simplify right side
    68,495.96x = 3,618,502,970.52
  5. Step 5: Solve for x
    x = 3,618,502,970.52/68,495.96
  6. Step 6: Final answer
    x = 52,827.97

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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.