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Finding the Fourth Proportional to 22,409.94, 33,607.16 and 9,938.69

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Solution

The fourth proportional to 22,409.94, 33,607.16 and 9,938.69 is: 14,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.94 : 33,607.16 = 9,938.69 : x
  2. Step 2: Convert to fraction form
    22,409.94/33,607.16 = 9,938.69/x
  3. Step 3: Cross multiply
    22,409.94x = 33,607.16 × 9,938.69
  4. Step 4: Simplify right side
    22,409.94x = 334,010,927.29
  5. Step 5: Solve for x
    x = 334,010,927.29/22,409.94
  6. Step 6: Final answer
    x = 14,904.59

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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.