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Finding the Fourth Proportional to 62,819.28, 86,695.56 and 35,970.24

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Solution

The fourth proportional to 62,819.28, 86,695.56 and 35,970.24 is: 49,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,819.28 : 86,695.56 = 35,970.24 : x
  2. Step 2: Convert to fraction form
    62,819.28/86,695.56 = 35,970.24/x
  3. Step 3: Cross multiply
    62,819.28x = 86,695.56 × 35,970.24
  4. Step 4: Simplify right side
    62,819.28x = 3,118,460,100.13
  5. Step 5: Solve for x
    x = 3,118,460,100.13/62,819.28
  6. Step 6: Final answer
    x = 49,641.77

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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.