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Finding the Fourth Proportional to 2,365.88, 3,548.98 and 722.30

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Solution

The fourth proportional to 2,365.88, 3,548.98 and 722.30 is: 1,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.88 : 3,548.98 = 722.30 : x
  2. Step 2: Convert to fraction form
    2,365.88/3,548.98 = 722.30/x
  3. Step 3: Cross multiply
    2,365.88x = 3,548.98 × 722.30
  4. Step 4: Simplify right side
    2,365.88x = 2,563,428.25
  5. Step 5: Solve for x
    x = 2,563,428.25/2,365.88
  6. Step 6: Final answer
    x = 1,083.50

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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.