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Finding the Fourth Proportional to 10,568.40, 15,831.07 and 5,004.88

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Solution

The fourth proportional to 10,568.40, 15,831.07 and 5,004.88 is: 7,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.40 : 15,831.07 = 5,004.88 : x
  2. Step 2: Convert to fraction form
    10,568.40/15,831.07 = 5,004.88/x
  3. Step 3: Cross multiply
    10,568.40x = 15,831.07 × 5,004.88
  4. Step 4: Simplify right side
    10,568.40x = 79,232,526.47
  5. Step 5: Solve for x
    x = 79,232,526.47/10,568.40
  6. Step 6: Final answer
    x = 7,497.12

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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.