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Finding the Fourth Proportional to 61,256.68, 91,885.02 and 17,480.68

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Solution

The fourth proportional to 61,256.68, 91,885.02 and 17,480.68 is: 26,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256.68 : 91,885.02 = 17,480.68 : x
  2. Step 2: Convert to fraction form
    61,256.68/91,885.02 = 17,480.68/x
  3. Step 3: Cross multiply
    61,256.68x = 91,885.02 × 17,480.68
  4. Step 4: Simplify right side
    61,256.68x = 1,606,212,631.41
  5. Step 5: Solve for x
    x = 1,606,212,631.41/61,256.68
  6. Step 6: Final answer
    x = 26,221.02

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Similar ratio
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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.