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Finding the Fourth Proportional to 7,075.41, 10,613.08 and 1,810.41

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Solution

The fourth proportional to 7,075.41, 10,613.08 and 1,810.41 is: 2,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.41 : 10,613.08 = 1,810.41 : x
  2. Step 2: Convert to fraction form
    7,075.41/10,613.08 = 1,810.41/x
  3. Step 3: Cross multiply
    7,075.41x = 10,613.08 × 1,810.41
  4. Step 4: Simplify right side
    7,075.41x = 19,214,026.16
  5. Step 5: Solve for x
    x = 19,214,026.16/7,075.41
  6. Step 6: Final answer
    x = 2,715.61

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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.