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Finding the Fourth Proportional to 10,808.96, 14,901.56 and 6,828.08

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Solution

The fourth proportional to 10,808.96, 14,901.56 and 6,828.08 is: 9,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.96 : 14,901.56 = 6,828.08 : x
  2. Step 2: Convert to fraction form
    10,808.96/14,901.56 = 6,828.08/x
  3. Step 3: Cross multiply
    10,808.96x = 14,901.56 × 6,828.08
  4. Step 4: Simplify right side
    10,808.96x = 101,749,043.80
  5. Step 5: Solve for x
    x = 101,749,043.80/10,808.96
  6. Step 6: Final answer
    x = 9,413.40

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1.5x scale

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.