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Finding the Fourth Proportional to 1,236.16, 1,851.76 and 587.52

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Solution

The fourth proportional to 1,236.16, 1,851.76 and 587.52 is: 880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.16 : 1,851.76 = 587.52 : x
  2. Step 2: Convert to fraction form
    1,236.16/1,851.76 = 587.52/x
  3. Step 3: Cross multiply
    1,236.16x = 1,851.76 × 587.52
  4. Step 4: Simplify right side
    1,236.16x = 1,087,946.04
  5. Step 5: Solve for x
    x = 1,087,946.04/1,236.16
  6. Step 6: Final answer
    x = 880.10

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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.