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Finding the Fourth Proportional to 75,521, 104,219.08 and 41,530.08

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Solution

The fourth proportional to 75,521, 104,219.08 and 41,530.08 is: 57,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521 : 104,219.08 = 41,530.08 : x
  2. Step 2: Convert to fraction form
    75,521/104,219.08 = 41,530.08/x
  3. Step 3: Cross multiply
    75,521x = 104,219.08 × 41,530.08
  4. Step 4: Simplify right side
    75,521x = 4,328,226,729.93
  5. Step 5: Solve for x
    x = 4,328,226,729.93/75,521
  6. Step 6: Final answer
    x = 57,311.57

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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.