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Finding the Fourth Proportional to 84,641.76, 116,814.12 and 46,923.28

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Solution

The fourth proportional to 84,641.76, 116,814.12 and 46,923.28 is: 64,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,641.76 : 116,814.12 = 46,923.28 : x
  2. Step 2: Convert to fraction form
    84,641.76/116,814.12 = 46,923.28/x
  3. Step 3: Cross multiply
    84,641.76x = 116,814.12 × 46,923.28
  4. Step 4: Simplify right side
    84,641.76x = 5,481,301,660.71
  5. Step 5: Solve for x
    x = 5,481,301,660.71/84,641.76
  6. Step 6: Final answer
    x = 64,758.83

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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.