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Finding the Fourth Proportional to 9,903.41, 14,831.67 and 8,597.78

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Solution

The fourth proportional to 9,903.41, 14,831.67 and 8,597.78 is: 12,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.41 : 14,831.67 = 8,597.78 : x
  2. Step 2: Convert to fraction form
    9,903.41/14,831.67 = 8,597.78/x
  3. Step 3: Cross multiply
    9,903.41x = 14,831.67 × 8,597.78
  4. Step 4: Simplify right side
    9,903.41x = 127,519,435.69
  5. Step 5: Solve for x
    x = 127,519,435.69/9,903.41
  6. Step 6: Final answer
    x = 12,876.32

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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.