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Finding the Fourth Proportional to 76,546.92, 105,636.93 and 46,337.70

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Solution

The fourth proportional to 76,546.92, 105,636.93 and 46,337.70 is: 63,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,546.92 : 105,636.93 = 46,337.70 : x
  2. Step 2: Convert to fraction form
    76,546.92/105,636.93 = 46,337.70/x
  3. Step 3: Cross multiply
    76,546.92x = 105,636.93 × 46,337.70
  4. Step 4: Simplify right side
    76,546.92x = 4,894,972,371.26
  5. Step 5: Solve for x
    x = 4,894,972,371.26/76,546.92
  6. Step 6: Final answer
    x = 63,947.35

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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.