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Finding the Fourth Proportional to 68,154.93, 94,058.89 and 39,482.30

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Solution

The fourth proportional to 68,154.93, 94,058.89 and 39,482.30 is: 54,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,154.93 : 94,058.89 = 39,482.30 : x
  2. Step 2: Convert to fraction form
    68,154.93/94,058.89 = 39,482.30/x
  3. Step 3: Cross multiply
    68,154.93x = 94,058.89 × 39,482.30
  4. Step 4: Simplify right side
    68,154.93x = 3,713,660,842.35
  5. Step 5: Solve for x
    x = 3,713,660,842.35/68,154.93
  6. Step 6: Final answer
    x = 54,488.52

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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.