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Finding the Fourth Proportional to 32,842.75, 45,323 and 17,938.75

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Solution

The fourth proportional to 32,842.75, 45,323 and 17,938.75 is: 24,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,842.75 : 45,323 = 17,938.75 : x
  2. Step 2: Convert to fraction form
    32,842.75/45,323 = 17,938.75/x
  3. Step 3: Cross multiply
    32,842.75x = 45,323 × 17,938.75
  4. Step 4: Simplify right side
    32,842.75x = 813,037,966.25
  5. Step 5: Solve for x
    x = 813,037,966.25/32,842.75
  6. Step 6: Final answer
    x = 24,755.48

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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.