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Finding the Fourth Proportional to 83,804.50, 115,652.40 and 45,566.62

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Solution

The fourth proportional to 83,804.50, 115,652.40 and 45,566.62 is: 62,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804.50 : 115,652.40 = 45,566.62 : x
  2. Step 2: Convert to fraction form
    83,804.50/115,652.40 = 45,566.62/x
  3. Step 3: Cross multiply
    83,804.50x = 115,652.40 × 45,566.62
  4. Step 4: Simplify right side
    83,804.50x = 5,269,888,962.89
  5. Step 5: Solve for x
    x = 5,269,888,962.89/83,804.50
  6. Step 6: Final answer
    x = 62,883.13

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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.