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Finding the Fourth Proportional to 60,080.04, 90,121.30 and 18,527

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Solution

The fourth proportional to 60,080.04, 90,121.30 and 18,527 is: 27,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,080.04 : 90,121.30 = 18,527 : x
  2. Step 2: Convert to fraction form
    60,080.04/90,121.30 = 18,527/x
  3. Step 3: Cross multiply
    60,080.04x = 90,121.30 × 18,527
  4. Step 4: Simplify right side
    60,080.04x = 1,669,677,325.10
  5. Step 5: Solve for x
    x = 1,669,677,325.10/60,080.04
  6. Step 6: Final answer
    x = 27,790.88

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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.