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Finding the Fourth Proportional to 2,295.25, 3,442.36 and 651.76

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Solution

The fourth proportional to 2,295.25, 3,442.36 and 651.76 is: 977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.25 : 3,442.36 = 651.76 : x
  2. Step 2: Convert to fraction form
    2,295.25/3,442.36 = 651.76/x
  3. Step 3: Cross multiply
    2,295.25x = 3,442.36 × 651.76
  4. Step 4: Simplify right side
    2,295.25x = 2,243,592.55
  5. Step 5: Solve for x
    x = 2,243,592.55/2,295.25
  6. Step 6: Final answer
    x = 977.49

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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.