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Finding the Fourth Proportional to 1,480.02, 2,041.11 and 955.50

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Solution

The fourth proportional to 1,480.02, 2,041.11 and 955.50 is: 1,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.02 : 2,041.11 = 955.50 : x
  2. Step 2: Convert to fraction form
    1,480.02/2,041.11 = 955.50/x
  3. Step 3: Cross multiply
    1,480.02x = 2,041.11 × 955.50
  4. Step 4: Simplify right side
    1,480.02x = 1,950,280.61
  5. Step 5: Solve for x
    x = 1,950,280.61/1,480.02
  6. Step 6: Final answer
    x = 1,317.74

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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.