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Finding the Fourth Proportional to 35,075.43, 52,613.15 and 8,780.17

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Solution

The fourth proportional to 35,075.43, 52,613.15 and 8,780.17 is: 13,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,075.43 : 52,613.15 = 8,780.17 : x
  2. Step 2: Convert to fraction form
    35,075.43/52,613.15 = 8,780.17/x
  3. Step 3: Cross multiply
    35,075.43x = 52,613.15 × 8,780.17
  4. Step 4: Simplify right side
    35,075.43x = 461,952,472.43
  5. Step 5: Solve for x
    x = 461,952,472.43/35,075.43
  6. Step 6: Final answer
    x = 13,170.26

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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.