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Finding the Fourth Proportional to 18,875.46, 26,047.47 and 10,377.52

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Solution

The fourth proportional to 18,875.46, 26,047.47 and 10,377.52 is: 14,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.46 : 26,047.47 = 10,377.52 : x
  2. Step 2: Convert to fraction form
    18,875.46/26,047.47 = 10,377.52/x
  3. Step 3: Cross multiply
    18,875.46x = 26,047.47 × 10,377.52
  4. Step 4: Simplify right side
    18,875.46x = 270,308,140.87
  5. Step 5: Solve for x
    x = 270,308,140.87/18,875.46
  6. Step 6: Final answer
    x = 14,320.61

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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.