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Finding the Fourth Proportional to 15,965.22, 22,032.00 and 9,254.74

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Solution

The fourth proportional to 15,965.22, 22,032.00 and 9,254.74 is: 12,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.22 : 22,032.00 = 9,254.74 : x
  2. Step 2: Convert to fraction form
    15,965.22/22,032.00 = 9,254.74/x
  3. Step 3: Cross multiply
    15,965.22x = 22,032.00 × 9,254.74
  4. Step 4: Simplify right side
    15,965.22x = 203,900,385.41
  5. Step 5: Solve for x
    x = 203,900,385.41/15,965.22
  6. Step 6: Final answer
    x = 12,771.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.