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Finding the Fourth Proportional to 21,928.45, 32,894.74 and 6,133.47

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Solution

The fourth proportional to 21,928.45, 32,894.74 and 6,133.47 is: 9,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.45 : 32,894.74 = 6,133.47 : x
  2. Step 2: Convert to fraction form
    21,928.45/32,894.74 = 6,133.47/x
  3. Step 3: Cross multiply
    21,928.45x = 32,894.74 × 6,133.47
  4. Step 4: Simplify right side
    21,928.45x = 201,758,970.29
  5. Step 5: Solve for x
    x = 201,758,970.29/21,928.45
  6. Step 6: Final answer
    x = 9,200.79

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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.