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Finding the Fourth Proportional to 15,953.99, 23,934.84 and 7,188.91

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Solution

The fourth proportional to 15,953.99, 23,934.84 and 7,188.91 is: 10,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.99 : 23,934.84 = 7,188.91 : x
  2. Step 2: Convert to fraction form
    15,953.99/23,934.84 = 7,188.91/x
  3. Step 3: Cross multiply
    15,953.99x = 23,934.84 × 7,188.91
  4. Step 4: Simplify right side
    15,953.99x = 172,065,335.60
  5. Step 5: Solve for x
    x = 172,065,335.60/15,953.99
  6. Step 6: Final answer
    x = 10,785.09

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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.