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Finding the Fourth Proportional to 18,863.58, 26,035.66 and 10,904.70

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Solution

The fourth proportional to 18,863.58, 26,035.66 and 10,904.70 is: 15,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.58 : 26,035.66 = 10,904.70 : x
  2. Step 2: Convert to fraction form
    18,863.58/26,035.66 = 10,904.70/x
  3. Step 3: Cross multiply
    18,863.58x = 26,035.66 × 10,904.70
  4. Step 4: Simplify right side
    18,863.58x = 283,911,061.60
  5. Step 5: Solve for x
    x = 283,911,061.60/18,863.58
  6. Step 6: Final answer
    x = 15,050.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.