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Finding the Fourth Proportional to 21,715.26, 32,574.71 and 6,926.28

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Solution

The fourth proportional to 21,715.26, 32,574.71 and 6,926.28 is: 10,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.26 : 32,574.71 = 6,926.28 : x
  2. Step 2: Convert to fraction form
    21,715.26/32,574.71 = 6,926.28/x
  3. Step 3: Cross multiply
    21,715.26x = 32,574.71 × 6,926.28
  4. Step 4: Simplify right side
    21,715.26x = 225,621,562.38
  5. Step 5: Solve for x
    x = 225,621,562.38/21,715.26
  6. Step 6: Final answer
    x = 10,390.00

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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.