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Finding the Fourth Proportional to 1,156.60, 1,596.15 and 652.54

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Solution

The fourth proportional to 1,156.60, 1,596.15 and 652.54 is: 900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.60 : 1,596.15 = 652.54 : x
  2. Step 2: Convert to fraction form
    1,156.60/1,596.15 = 652.54/x
  3. Step 3: Cross multiply
    1,156.60x = 1,596.15 × 652.54
  4. Step 4: Simplify right side
    1,156.60x = 1,041,551.72
  5. Step 5: Solve for x
    x = 1,041,551.72/1,156.60
  6. Step 6: Final answer
    x = 900.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.