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Finding the Fourth Proportional to 3,342.73, 5,014.07 and 877.51

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Solution

The fourth proportional to 3,342.73, 5,014.07 and 877.51 is: 1,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.73 : 5,014.07 = 877.51 : x
  2. Step 2: Convert to fraction form
    3,342.73/5,014.07 = 877.51/x
  3. Step 3: Cross multiply
    3,342.73x = 5,014.07 × 877.51
  4. Step 4: Simplify right side
    3,342.73x = 4,399,901.74
  5. Step 5: Solve for x
    x = 4,399,901.74/3,342.73
  6. Step 6: Final answer
    x = 1,316.26

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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.