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Finding the Fourth Proportional to 75,506.39, 113,347.07 and 40,514.39

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Solution

The fourth proportional to 75,506.39, 113,347.07 and 40,514.39 is: 60,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,506.39 : 113,347.07 = 40,514.39 : x
  2. Step 2: Convert to fraction form
    75,506.39/113,347.07 = 40,514.39/x
  3. Step 3: Cross multiply
    75,506.39x = 113,347.07 × 40,514.39
  4. Step 4: Simplify right side
    75,506.39x = 4,592,186,933.89
  5. Step 5: Solve for x
    x = 4,592,186,933.89/75,506.39
  6. Step 6: Final answer
    x = 60,818.52

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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.