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Finding the Fourth Proportional to 57,100.60, 85,656.30 and 15,547.60

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Solution

The fourth proportional to 57,100.60, 85,656.30 and 15,547.60 is: 23,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,100.60 : 85,656.30 = 15,547.60 : x
  2. Step 2: Convert to fraction form
    57,100.60/85,656.30 = 15,547.60/x
  3. Step 3: Cross multiply
    57,100.60x = 85,656.30 × 15,547.60
  4. Step 4: Simplify right side
    57,100.60x = 1,331,749,889.88
  5. Step 5: Solve for x
    x = 1,331,749,889.88/57,100.60
  6. Step 6: Final answer
    x = 23,322.87

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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.