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Finding the Fourth Proportional to 22,465.64, 33,688.70 and 11,933.34

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Solution

The fourth proportional to 22,465.64, 33,688.70 and 11,933.34 is: 17,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.64 : 33,688.70 = 11,933.34 : x
  2. Step 2: Convert to fraction form
    22,465.64/33,688.70 = 11,933.34/x
  3. Step 3: Cross multiply
    22,465.64x = 33,688.70 × 11,933.34
  4. Step 4: Simplify right side
    22,465.64x = 402,018,711.26
  5. Step 5: Solve for x
    x = 402,018,711.26/22,465.64
  6. Step 6: Final answer
    x = 17,894.83

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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.