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Finding the Fourth Proportional to 60,009.34, 90,026.30 and 20,569.52

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Solution

The fourth proportional to 60,009.34, 90,026.30 and 20,569.52 is: 30,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.34 : 90,026.30 = 20,569.52 : x
  2. Step 2: Convert to fraction form
    60,009.34/90,026.30 = 20,569.52/x
  3. Step 3: Cross multiply
    60,009.34x = 90,026.30 × 20,569.52
  4. Step 4: Simplify right side
    60,009.34x = 1,851,797,778.38
  5. Step 5: Solve for x
    x = 1,851,797,778.38/60,009.34
  6. Step 6: Final answer
    x = 30,858.49

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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.