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Finding the Fourth Proportional to 1,825.28, 2,737.98 and 526.76

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Solution

The fourth proportional to 1,825.28, 2,737.98 and 526.76 is: 790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.28 : 2,737.98 = 526.76 : x
  2. Step 2: Convert to fraction form
    1,825.28/2,737.98 = 526.76/x
  3. Step 3: Cross multiply
    1,825.28x = 2,737.98 × 526.76
  4. Step 4: Simplify right side
    1,825.28x = 1,442,258.34
  5. Step 5: Solve for x
    x = 1,442,258.34/1,825.28
  6. Step 6: Final answer
    x = 790.16

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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.