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Finding the Fourth Proportional to 1,113.58, 1,669.29 and 566.02

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Solution

The fourth proportional to 1,113.58, 1,669.29 and 566.02 is: 848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113.58 : 1,669.29 = 566.02 : x
  2. Step 2: Convert to fraction form
    1,113.58/1,669.29 = 566.02/x
  3. Step 3: Cross multiply
    1,113.58x = 1,669.29 × 566.02
  4. Step 4: Simplify right side
    1,113.58x = 944,851.53
  5. Step 5: Solve for x
    x = 944,851.53/1,113.58
  6. Step 6: Final answer
    x = 848.48

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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.