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Finding the Fourth Proportional to 1,162.58, 1,595.95 and 1,151.64

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Solution

The fourth proportional to 1,162.58, 1,595.95 and 1,151.64 is: 1,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.58 : 1,595.95 = 1,151.64 : x
  2. Step 2: Convert to fraction form
    1,162.58/1,595.95 = 1,151.64/x
  3. Step 3: Cross multiply
    1,162.58x = 1,595.95 × 1,151.64
  4. Step 4: Simplify right side
    1,162.58x = 1,837,956.98
  5. Step 5: Solve for x
    x = 1,837,956.98/1,162.58
  6. Step 6: Final answer
    x = 1,580.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.