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Finding the Fourth Proportional to 68,590.61, 94,658.71 and 38,374.12

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Solution

The fourth proportional to 68,590.61, 94,658.71 and 38,374.12 is: 52,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.61 : 94,658.71 = 38,374.12 : x
  2. Step 2: Convert to fraction form
    68,590.61/94,658.71 = 38,374.12/x
  3. Step 3: Cross multiply
    68,590.61x = 94,658.71 × 38,374.12
  4. Step 4: Simplify right side
    68,590.61x = 3,632,444,952.82
  5. Step 5: Solve for x
    x = 3,632,444,952.82/68,590.61
  6. Step 6: Final answer
    x = 52,958.34

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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.