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Finding the Fourth Proportional to 1,156.02, 1,595.33 and 632.05

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Solution

The fourth proportional to 1,156.02, 1,595.33 and 632.05 is: 872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.02 : 1,595.33 = 632.05 : x
  2. Step 2: Convert to fraction form
    1,156.02/1,595.33 = 632.05/x
  3. Step 3: Cross multiply
    1,156.02x = 1,595.33 × 632.05
  4. Step 4: Simplify right side
    1,156.02x = 1,008,317.19
  5. Step 5: Solve for x
    x = 1,008,317.19/1,156.02
  6. Step 6: Final answer
    x = 872.24

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