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Finding the Fourth Proportional to 75,347.01, 103,983.35 and 41,357.39

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Solution

The fourth proportional to 75,347.01, 103,983.35 and 41,357.39 is: 57,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,347.01 : 103,983.35 = 41,357.39 : x
  2. Step 2: Convert to fraction form
    75,347.01/103,983.35 = 41,357.39/x
  3. Step 3: Cross multiply
    75,347.01x = 103,983.35 × 41,357.39
  4. Step 4: Simplify right side
    75,347.01x = 4,300,479,232.75
  5. Step 5: Solve for x
    x = 4,300,479,232.75/75,347.01
  6. Step 6: Final answer
    x = 57,075.65

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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.