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Finding the Fourth Proportional to 1,750.36, 2,625.66 and 580.31

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Solution

The fourth proportional to 1,750.36, 2,625.66 and 580.31 is: 870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.36 : 2,625.66 = 580.31 : x
  2. Step 2: Convert to fraction form
    1,750.36/2,625.66 = 580.31/x
  3. Step 3: Cross multiply
    1,750.36x = 2,625.66 × 580.31
  4. Step 4: Simplify right side
    1,750.36x = 1,523,696.75
  5. Step 5: Solve for x
    x = 1,523,696.75/1,750.36
  6. Step 6: Final answer
    x = 870.50

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1.5x scale

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.