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Finding the Fourth Proportional to 83,809.48, 115,657.56 and 45,569.41

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Solution

The fourth proportional to 83,809.48, 115,657.56 and 45,569.41 is: 62,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,809.48 : 115,657.56 = 45,569.41 : x
  2. Step 2: Convert to fraction form
    83,809.48/115,657.56 = 45,569.41/x
  3. Step 3: Cross multiply
    83,809.48x = 115,657.56 × 45,569.41
  4. Step 4: Simplify right side
    83,809.48x = 5,270,446,771.24
  5. Step 5: Solve for x
    x = 5,270,446,771.24/83,809.48
  6. Step 6: Final answer
    x = 62,886.05

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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.