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Finding the Fourth Proportional to 1,137.52, 1,707.29 and 590.08

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Solution

The fourth proportional to 1,137.52, 1,707.29 and 590.08 is: 885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.52 : 1,707.29 = 590.08 : x
  2. Step 2: Convert to fraction form
    1,137.52/1,707.29 = 590.08/x
  3. Step 3: Cross multiply
    1,137.52x = 1,707.29 × 590.08
  4. Step 4: Simplify right side
    1,137.52x = 1,007,437.68
  5. Step 5: Solve for x
    x = 1,007,437.68/1,137.52
  6. Step 6: Final answer
    x = 885.64

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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.