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Finding the Fourth Proportional to 60,525.64, 90,803.05 and 18,972.64

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Solution

The fourth proportional to 60,525.64, 90,803.05 and 18,972.64 is: 28,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,525.64 : 90,803.05 = 18,972.64 : x
  2. Step 2: Convert to fraction form
    60,525.64/90,803.05 = 18,972.64/x
  3. Step 3: Cross multiply
    60,525.64x = 90,803.05 × 18,972.64
  4. Step 4: Simplify right side
    60,525.64x = 1,722,773,578.55
  5. Step 5: Solve for x
    x = 1,722,773,578.55/60,525.64
  6. Step 6: Final answer
    x = 28,463.53

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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.