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Finding the Fourth Proportional to 16,831.12, 25,253.98 and 9,030.82

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Solution

The fourth proportional to 16,831.12, 25,253.98 and 9,030.82 is: 13,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.12 : 25,253.98 = 9,030.82 : x
  2. Step 2: Convert to fraction form
    16,831.12/25,253.98 = 9,030.82/x
  3. Step 3: Cross multiply
    16,831.12x = 25,253.98 × 9,030.82
  4. Step 4: Simplify right side
    16,831.12x = 228,064,147.66
  5. Step 5: Solve for x
    x = 228,064,147.66/16,831.12
  6. Step 6: Final answer
    x = 13,550.15

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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.