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Finding the Fourth Proportional to 26,831.70, 40,243.68 and 9,059.14

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Solution

The fourth proportional to 26,831.70, 40,243.68 and 9,059.14 is: 13,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.70 : 40,243.68 = 9,059.14 : x
  2. Step 2: Convert to fraction form
    26,831.70/40,243.68 = 9,059.14/x
  3. Step 3: Cross multiply
    26,831.70x = 40,243.68 × 9,059.14
  4. Step 4: Simplify right side
    26,831.70x = 364,573,030.63
  5. Step 5: Solve for x
    x = 364,573,030.63/26,831.70
  6. Step 6: Final answer
    x = 13,587.40

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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.