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Finding the Fourth Proportional to 9,677.84, 13,341.10 and 7,550.96

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Solution

The fourth proportional to 9,677.84, 13,341.10 and 7,550.96 is: 10,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.84 : 13,341.10 = 7,550.96 : x
  2. Step 2: Convert to fraction form
    9,677.84/13,341.10 = 7,550.96/x
  3. Step 3: Cross multiply
    9,677.84x = 13,341.10 × 7,550.96
  4. Step 4: Simplify right side
    9,677.84x = 100,738,112.46
  5. Step 5: Solve for x
    x = 100,738,112.46/9,677.84
  6. Step 6: Final answer
    x = 10,409.15

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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.