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Finding the Fourth Proportional to 1,156.46, 1,595.94 and 632.53

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Solution

The fourth proportional to 1,156.46, 1,595.94 and 632.53 is: 872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.46 : 1,595.94 = 632.53 : x
  2. Step 2: Convert to fraction form
    1,156.46/1,595.94 = 632.53/x
  3. Step 3: Cross multiply
    1,156.46x = 1,595.94 × 632.53
  4. Step 4: Simplify right side
    1,156.46x = 1,009,479.93
  5. Step 5: Solve for x
    x = 1,009,479.93/1,156.46
  6. Step 6: Final answer
    x = 872.91

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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.