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Finding the Fourth Proportional to 1,075.04, 1,482.65 and 701.73

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Solution

The fourth proportional to 1,075.04, 1,482.65 and 701.73 is: 967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.04 : 1,482.65 = 701.73 : x
  2. Step 2: Convert to fraction form
    1,075.04/1,482.65 = 701.73/x
  3. Step 3: Cross multiply
    1,075.04x = 1,482.65 × 701.73
  4. Step 4: Simplify right side
    1,075.04x = 1,040,423.05
  5. Step 5: Solve for x
    x = 1,040,423.05/1,075.04
  6. Step 6: Final answer
    x = 967.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.