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Finding the Fourth Proportional to 60,577.75, 90,870.27 and 19,024.75

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Solution

The fourth proportional to 60,577.75, 90,870.27 and 19,024.75 is: 28,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.75 : 90,870.27 = 19,024.75 : x
  2. Step 2: Convert to fraction form
    60,577.75/90,870.27 = 19,024.75/x
  3. Step 3: Cross multiply
    60,577.75x = 90,870.27 × 19,024.75
  4. Step 4: Simplify right side
    60,577.75x = 1,728,784,169.18
  5. Step 5: Solve for x
    x = 1,728,784,169.18/60,577.75
  6. Step 6: Final answer
    x = 28,538.27

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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.