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Finding the Fourth Proportional to 34,390.26, 47,459.26 and 19,486.26

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Solution

The fourth proportional to 34,390.26, 47,459.26 and 19,486.26 is: 26,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.26 : 47,459.26 = 19,486.26 : x
  2. Step 2: Convert to fraction form
    34,390.26/47,459.26 = 19,486.26/x
  3. Step 3: Cross multiply
    34,390.26x = 47,459.26 × 19,486.26
  4. Step 4: Simplify right side
    34,390.26x = 924,803,479.77
  5. Step 5: Solve for x
    x = 924,803,479.77/34,390.26
  6. Step 6: Final answer
    x = 26,891.44

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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.