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Finding the Fourth Proportional to 25,543.41, 38,315.13 and 7,075.41

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Solution

The fourth proportional to 25,543.41, 38,315.13 and 7,075.41 is: 10,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.41 : 38,315.13 = 7,075.41 : x
  2. Step 2: Convert to fraction form
    25,543.41/38,315.13 = 7,075.41/x
  3. Step 3: Cross multiply
    25,543.41x = 38,315.13 × 7,075.41
  4. Step 4: Simplify right side
    25,543.41x = 271,095,253.95
  5. Step 5: Solve for x
    x = 271,095,253.95/25,543.41
  6. Step 6: Final answer
    x = 10,613.12

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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.