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Finding the Fourth Proportional to 55,009.80, 82,514.70 and 35,326.80

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Solution

The fourth proportional to 55,009.80, 82,514.70 and 35,326.80 is: 52,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.80 : 82,514.70 = 35,326.80 : x
  2. Step 2: Convert to fraction form
    55,009.80/82,514.70 = 35,326.80/x
  3. Step 3: Cross multiply
    55,009.80x = 82,514.70 × 35,326.80
  4. Step 4: Simplify right side
    55,009.80x = 2,914,980,303.96
  5. Step 5: Solve for x
    x = 2,914,980,303.96/55,009.80
  6. Step 6: Final answer
    x = 52,990.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.