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Finding the Fourth Proportional to 70,604.70, 105,872.85 and 41,031.06

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Solution

The fourth proportional to 70,604.70, 105,872.85 and 41,031.06 is: 61,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.70 : 105,872.85 = 41,031.06 : x
  2. Step 2: Convert to fraction form
    70,604.70/105,872.85 = 41,031.06/x
  3. Step 3: Cross multiply
    70,604.70x = 105,872.85 × 41,031.06
  4. Step 4: Simplify right side
    70,604.70x = 4,344,075,260.72
  5. Step 5: Solve for x
    x = 4,344,075,260.72/70,604.70
  6. Step 6: Final answer
    x = 61,526.72

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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.