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Finding the Fourth Proportional to 1,156.53, 1,596.17 and 1,058.12

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Solution

The fourth proportional to 1,156.53, 1,596.17 and 1,058.12 is: 1,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.53 : 1,596.17 = 1,058.12 : x
  2. Step 2: Convert to fraction form
    1,156.53/1,596.17 = 1,058.12/x
  3. Step 3: Cross multiply
    1,156.53x = 1,596.17 × 1,058.12
  4. Step 4: Simplify right side
    1,156.53x = 1,688,926.13
  5. Step 5: Solve for x
    x = 1,688,926.13/1,156.53
  6. Step 6: Final answer
    x = 1,460.34

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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.