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Finding the Fourth Proportional to 34,053.60, 51,064.80 and 18,256.20

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Solution

The fourth proportional to 34,053.60, 51,064.80 and 18,256.20 is: 27,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,053.60 : 51,064.80 = 18,256.20 : x
  2. Step 2: Convert to fraction form
    34,053.60/51,064.80 = 18,256.20/x
  3. Step 3: Cross multiply
    34,053.60x = 51,064.80 × 18,256.20
  4. Step 4: Simplify right side
    34,053.60x = 932,249,201.76
  5. Step 5: Solve for x
    x = 932,249,201.76/34,053.60
  6. Step 6: Final answer
    x = 27,375.94

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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.