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Finding the Fourth Proportional to 60,577.02, 90,885.90 and 30,986.88

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Solution

The fourth proportional to 60,577.02, 90,885.90 and 30,986.88 is: 46,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.02 : 90,885.90 = 30,986.88 : x
  2. Step 2: Convert to fraction form
    60,577.02/90,885.90 = 30,986.88/x
  3. Step 3: Cross multiply
    60,577.02x = 90,885.90 × 30,986.88
  4. Step 4: Simplify right side
    60,577.02x = 2,816,270,476.99
  5. Step 5: Solve for x
    x = 2,816,270,476.99/60,577.02
  6. Step 6: Final answer
    x = 46,490.74

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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.