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Finding the Fourth Proportional to 18,104.76, 24,984.13 and 10,038.37

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Solution

The fourth proportional to 18,104.76, 24,984.13 and 10,038.37 is: 13,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.76 : 24,984.13 = 10,038.37 : x
  2. Step 2: Convert to fraction form
    18,104.76/24,984.13 = 10,038.37/x
  3. Step 3: Cross multiply
    18,104.76x = 24,984.13 × 10,038.37
  4. Step 4: Simplify right side
    18,104.76x = 250,799,966.16
  5. Step 5: Solve for x
    x = 250,799,966.16/18,104.76
  6. Step 6: Final answer
    x = 13,852.71

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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.