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Finding the Fourth Proportional to 2,368.30, 3,552.48 and 829.30

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Solution

The fourth proportional to 2,368.30, 3,552.48 and 829.30 is: 1,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.30 : 3,552.48 = 829.30 : x
  2. Step 2: Convert to fraction form
    2,368.30/3,552.48 = 829.30/x
  3. Step 3: Cross multiply
    2,368.30x = 3,552.48 × 829.30
  4. Step 4: Simplify right side
    2,368.30x = 2,946,071.66
  5. Step 5: Solve for x
    x = 2,946,071.66/2,368.30
  6. Step 6: Final answer
    x = 1,243.96

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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.