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Finding the Fourth Proportional to 1,588.50, 2,383.05 and 710.66

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Solution

The fourth proportional to 1,588.50, 2,383.05 and 710.66 is: 1,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.50 : 2,383.05 = 710.66 : x
  2. Step 2: Convert to fraction form
    1,588.50/2,383.05 = 710.66/x
  3. Step 3: Cross multiply
    1,588.50x = 2,383.05 × 710.66
  4. Step 4: Simplify right side
    1,588.50x = 1,693,526.40
  5. Step 5: Solve for x
    x = 1,693,526.40/1,588.50
  6. Step 6: Final answer
    x = 1,066.12

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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.