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Finding the Fourth Proportional to 34,240, 47,255.04 and 19,336.96

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Solution

The fourth proportional to 34,240, 47,255.04 and 19,336.96 is: 26,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240 : 47,255.04 = 19,336.96 : x
  2. Step 2: Convert to fraction form
    34,240/47,255.04 = 19,336.96/x
  3. Step 3: Cross multiply
    34,240x = 47,255.04 × 19,336.96
  4. Step 4: Simplify right side
    34,240x = 913,768,818.28
  5. Step 5: Solve for x
    x = 913,768,818.28/34,240
  6. Step 6: Final answer
    x = 26,687.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.