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Finding the Fourth Proportional to 11,666.84, 16,102.84 and 7,417.07

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Solution

The fourth proportional to 11,666.84, 16,102.84 and 7,417.07 is: 10,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.84 : 16,102.84 = 7,417.07 : x
  2. Step 2: Convert to fraction form
    11,666.84/16,102.84 = 7,417.07/x
  3. Step 3: Cross multiply
    11,666.84x = 16,102.84 × 7,417.07
  4. Step 4: Simplify right side
    11,666.84x = 119,435,891.48
  5. Step 5: Solve for x
    x = 119,435,891.48/11,666.84
  6. Step 6: Final answer
    x = 10,237.21

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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.