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Finding the Fourth Proportional to 15,602.86, 23,391.15 and 6,831.10

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Solution

The fourth proportional to 15,602.86, 23,391.15 and 6,831.10 is: 10,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.86 : 23,391.15 = 6,831.10 : x
  2. Step 2: Convert to fraction form
    15,602.86/23,391.15 = 6,831.10/x
  3. Step 3: Cross multiply
    15,602.86x = 23,391.15 × 6,831.10
  4. Step 4: Simplify right side
    15,602.86x = 159,787,284.77
  5. Step 5: Solve for x
    x = 159,787,284.77/15,602.86
  6. Step 6: Final answer
    x = 10,240.90

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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.