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Finding the Fourth Proportional to 21,534.91, 32,293.91 and 9,060.91

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Solution

The fourth proportional to 21,534.91, 32,293.91 and 9,060.91 is: 13,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.91 : 32,293.91 = 9,060.91 : x
  2. Step 2: Convert to fraction form
    21,534.91/32,293.91 = 9,060.91/x
  3. Step 3: Cross multiply
    21,534.91x = 32,293.91 × 9,060.91
  4. Step 4: Simplify right side
    21,534.91x = 292,612,166.75
  5. Step 5: Solve for x
    x = 292,612,166.75/21,534.91
  6. Step 6: Final answer
    x = 13,587.81

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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.