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Finding the Fourth Proportional to 23,900.40, 35,866.80 and 15,560.10

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Solution

The fourth proportional to 23,900.40, 35,866.80 and 15,560.10 is: 23,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.40 : 35,866.80 = 15,560.10 : x
  2. Step 2: Convert to fraction form
    23,900.40/35,866.80 = 15,560.10/x
  3. Step 3: Cross multiply
    23,900.40x = 35,866.80 × 15,560.10
  4. Step 4: Simplify right side
    23,900.40x = 558,090,994.68
  5. Step 5: Solve for x
    x = 558,090,994.68/23,900.40
  6. Step 6: Final answer
    x = 23,350.70

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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.