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Finding the Fourth Proportional to 84,659.70, 116,831.70 and 46,422.74

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Solution

The fourth proportional to 84,659.70, 116,831.70 and 46,422.74 is: 64,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,659.70 : 116,831.70 = 46,422.74 : x
  2. Step 2: Convert to fraction form
    84,659.70/116,831.70 = 46,422.74/x
  3. Step 3: Cross multiply
    84,659.70x = 116,831.70 × 46,422.74
  4. Step 4: Simplify right side
    84,659.70x = 5,423,647,632.86
  5. Step 5: Solve for x
    x = 5,423,647,632.86/84,659.70
  6. Step 6: Final answer
    x = 64,064.10

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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.