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Finding the Fourth Proportional to 57,256.40, 85,860.30 and 27,683.30

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Solution

The fourth proportional to 57,256.40, 85,860.30 and 27,683.30 is: 41,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.40 : 85,860.30 = 27,683.30 : x
  2. Step 2: Convert to fraction form
    57,256.40/85,860.30 = 27,683.30/x
  3. Step 3: Cross multiply
    57,256.40x = 85,860.30 × 27,683.30
  4. Step 4: Simplify right side
    57,256.40x = 2,376,896,442.99
  5. Step 5: Solve for x
    x = 2,376,896,442.99/57,256.40
  6. Step 6: Final answer
    x = 41,513.20

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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.