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Finding the Fourth Proportional to 68,347.48, 94,320.30 and 38,539.48

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Solution

The fourth proportional to 68,347.48, 94,320.30 and 38,539.48 is: 53,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,347.48 : 94,320.30 = 38,539.48 : x
  2. Step 2: Convert to fraction form
    68,347.48/94,320.30 = 38,539.48/x
  3. Step 3: Cross multiply
    68,347.48x = 94,320.30 × 38,539.48
  4. Step 4: Simplify right side
    68,347.48x = 3,635,055,315.44
  5. Step 5: Solve for x
    x = 3,635,055,315.44/68,347.48
  6. Step 6: Final answer
    x = 53,184.92

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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.