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Finding the Fourth Proportional to 57,068.52, 85,602.76 and 15,515.52

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Solution

The fourth proportional to 57,068.52, 85,602.76 and 15,515.52 is: 23,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,068.52 : 85,602.76 = 15,515.52 : x
  2. Step 2: Convert to fraction form
    57,068.52/85,602.76 = 15,515.52/x
  3. Step 3: Cross multiply
    57,068.52x = 85,602.76 × 15,515.52
  4. Step 4: Simplify right side
    57,068.52x = 1,328,171,334.84
  5. Step 5: Solve for x
    x = 1,328,171,334.84/57,068.52
  6. Step 6: Final answer
    x = 23,273.27

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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.