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Finding the Fourth Proportional to 60,908.70, 91,330.65 and 25,808.70

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Solution

The fourth proportional to 60,908.70, 91,330.65 and 25,808.70 is: 38,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,908.70 : 91,330.65 = 25,808.70 : x
  2. Step 2: Convert to fraction form
    60,908.70/91,330.65 = 25,808.70/x
  3. Step 3: Cross multiply
    60,908.70x = 91,330.65 × 25,808.70
  4. Step 4: Simplify right side
    60,908.70x = 2,357,125,346.66
  5. Step 5: Solve for x
    x = 2,357,125,346.66/60,908.70
  6. Step 6: Final answer
    x = 38,699.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.