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Finding the Fourth Proportional to 60,209, 90,310.02 and 18,088.17

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Solution

The fourth proportional to 60,209, 90,310.02 and 18,088.17 is: 27,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,209 : 90,310.02 = 18,088.17 : x
  2. Step 2: Convert to fraction form
    60,209/90,310.02 = 18,088.17/x
  3. Step 3: Cross multiply
    60,209x = 90,310.02 × 18,088.17
  4. Step 4: Simplify right side
    60,209x = 1,633,542,994.46
  5. Step 5: Solve for x
    x = 1,633,542,994.46/60,209
  6. Step 6: Final answer
    x = 27,131.21

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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.