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Finding the Fourth Proportional to 60,523.19, 90,799.36 and 18,970.19

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Solution

The fourth proportional to 60,523.19, 90,799.36 and 18,970.19 is: 28,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,523.19 : 90,799.36 = 18,970.19 : x
  2. Step 2: Convert to fraction form
    60,523.19/90,799.36 = 18,970.19/x
  3. Step 3: Cross multiply
    60,523.19x = 90,799.36 × 18,970.19
  4. Step 4: Simplify right side
    60,523.19x = 1,722,481,111.08
  5. Step 5: Solve for x
    x = 1,722,481,111.08/60,523.19
  6. Step 6: Final answer
    x = 28,459.85

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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.