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Finding the Fourth Proportional to 75,031.95, 112,492.03 and 25,082.49

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Solution

The fourth proportional to 75,031.95, 112,492.03 and 25,082.49 is: 37,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031.95 : 112,492.03 = 25,082.49 : x
  2. Step 2: Convert to fraction form
    75,031.95/112,492.03 = 25,082.49/x
  3. Step 3: Cross multiply
    75,031.95x = 112,492.03 × 25,082.49
  4. Step 4: Simplify right side
    75,031.95x = 2,821,580,217.55
  5. Step 5: Solve for x
    x = 2,821,580,217.55/75,031.95
  6. Step 6: Final answer
    x = 37,605.05

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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.