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Finding the Fourth Proportional to 1,184.30, 1,775.76 and 794.76

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Solution

The fourth proportional to 1,184.30, 1,775.76 and 794.76 is: 1,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.30 : 1,775.76 = 794.76 : x
  2. Step 2: Convert to fraction form
    1,184.30/1,775.76 = 794.76/x
  3. Step 3: Cross multiply
    1,184.30x = 1,775.76 × 794.76
  4. Step 4: Simplify right side
    1,184.30x = 1,411,303.02
  5. Step 5: Solve for x
    x = 1,411,303.02/1,184.30
  6. Step 6: Final answer
    x = 1,191.68

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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.