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Finding the Fourth Proportional to 10,879.48, 14,901.21 and 10,241.16

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Solution

The fourth proportional to 10,879.48, 14,901.21 and 10,241.16 is: 14,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.48 : 14,901.21 = 10,241.16 : x
  2. Step 2: Convert to fraction form
    10,879.48/14,901.21 = 10,241.16/x
  3. Step 3: Cross multiply
    10,879.48x = 14,901.21 × 10,241.16
  4. Step 4: Simplify right side
    10,879.48x = 152,605,675.80
  5. Step 5: Solve for x
    x = 152,605,675.80/10,879.48
  6. Step 6: Final answer
    x = 14,026.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.