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Finding the Fourth Proportional to 47,340.95, 65,329.08 and 25,831.11

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Solution

The fourth proportional to 47,340.95, 65,329.08 and 25,831.11 is: 35,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,340.95 : 65,329.08 = 25,831.11 : x
  2. Step 2: Convert to fraction form
    47,340.95/65,329.08 = 25,831.11/x
  3. Step 3: Cross multiply
    47,340.95x = 65,329.08 × 25,831.11
  4. Step 4: Simplify right side
    47,340.95x = 1,687,522,651.68
  5. Step 5: Solve for x
    x = 1,687,522,651.68/47,340.95
  6. Step 6: Final answer
    x = 35,646.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.