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Finding the Fourth Proportional to 68,875.84, 95,058.66 and 38,673.64

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Solution

The fourth proportional to 68,875.84, 95,058.66 and 38,673.64 is: 53,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,875.84 : 95,058.66 = 38,673.64 : x
  2. Step 2: Convert to fraction form
    68,875.84/95,058.66 = 38,673.64/x
  3. Step 3: Cross multiply
    68,875.84x = 95,058.66 × 38,673.64
  4. Step 4: Simplify right side
    68,875.84x = 3,676,264,395.72
  5. Step 5: Solve for x
    x = 3,676,264,395.72/68,875.84
  6. Step 6: Final answer
    x = 53,375.24

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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.