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Finding the Fourth Proportional to 8,548.99, 12,831.69 and 4,169.50

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Solution

The fourth proportional to 8,548.99, 12,831.69 and 4,169.50 is: 6,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.99 : 12,831.69 = 4,169.50 : x
  2. Step 2: Convert to fraction form
    8,548.99/12,831.69 = 4,169.50/x
  3. Step 3: Cross multiply
    8,548.99x = 12,831.69 × 4,169.50
  4. Step 4: Simplify right side
    8,548.99x = 53,501,731.46
  5. Step 5: Solve for x
    x = 53,501,731.46/8,548.99
  6. Step 6: Final answer
    x = 6,258.25

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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.