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Finding the Fourth Proportional to 68,875.94, 95,041.49 and 38,664.59

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Solution

The fourth proportional to 68,875.94, 95,041.49 and 38,664.59 is: 53,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,875.94 : 95,041.49 = 38,664.59 : x
  2. Step 2: Convert to fraction form
    68,875.94/95,041.49 = 38,664.59/x
  3. Step 3: Cross multiply
    68,875.94x = 95,041.49 × 38,664.59
  4. Step 4: Simplify right side
    68,875.94x = 3,674,739,575.31
  5. Step 5: Solve for x
    x = 3,674,739,575.31/68,875.94
  6. Step 6: Final answer
    x = 53,353.02

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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.