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Finding the Fourth Proportional to 751.95, 1,037.48 and 586.17

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Solution

The fourth proportional to 751.95, 1,037.48 and 586.17 is: 808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.95 : 1,037.48 = 586.17 : x
  2. Step 2: Convert to fraction form
    751.95/1,037.48 = 586.17/x
  3. Step 3: Cross multiply
    751.95x = 1,037.48 × 586.17
  4. Step 4: Simplify right side
    751.95x = 608,136.72
  5. Step 5: Solve for x
    x = 608,136.72/751.95
  6. Step 6: Final answer
    x = 808.75

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Why These Related Problems?

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