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Finding the Fourth Proportional to 23,490.18, 35,242.95 and 8,700.18

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Solution

The fourth proportional to 23,490.18, 35,242.95 and 8,700.18 is: 13,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.18 : 35,242.95 = 8,700.18 : x
  2. Step 2: Convert to fraction form
    23,490.18/35,242.95 = 8,700.18/x
  3. Step 3: Cross multiply
    23,490.18x = 35,242.95 × 8,700.18
  4. Step 4: Simplify right side
    23,490.18x = 306,620,008.73
  5. Step 5: Solve for x
    x = 306,620,008.73/23,490.18
  6. Step 6: Final answer
    x = 13,053.11

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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.