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Finding the Fourth Proportional to 1,002.36, 1,502.93 and 591.59

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Solution

The fourth proportional to 1,002.36, 1,502.93 and 591.59 is: 887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002.36 : 1,502.93 = 591.59 : x
  2. Step 2: Convert to fraction form
    1,002.36/1,502.93 = 591.59/x
  3. Step 3: Cross multiply
    1,002.36x = 1,502.93 × 591.59
  4. Step 4: Simplify right side
    1,002.36x = 889,118.36
  5. Step 5: Solve for x
    x = 889,118.36/1,002.36
  6. Step 6: Final answer
    x = 887.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.