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Finding the Fourth Proportional to 60,888.74, 91,344.44 and 21,470.90

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Solution

The fourth proportional to 60,888.74, 91,344.44 and 21,470.90 is: 32,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888.74 : 91,344.44 = 21,470.90 : x
  2. Step 2: Convert to fraction form
    60,888.74/91,344.44 = 21,470.90/x
  3. Step 3: Cross multiply
    60,888.74x = 91,344.44 × 21,470.90
  4. Step 4: Simplify right side
    60,888.74x = 1,961,246,933.75
  5. Step 5: Solve for x
    x = 1,961,246,933.75/60,888.74
  6. Step 6: Final answer
    x = 32,210.34

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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.