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Finding the Fourth Proportional to 34,714.90, 47,907.50 and 19,609.80

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Solution

The fourth proportional to 34,714.90, 47,907.50 and 19,609.80 is: 27,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.90 : 47,907.50 = 19,609.80 : x
  2. Step 2: Convert to fraction form
    34,714.90/47,907.50 = 19,609.80/x
  3. Step 3: Cross multiply
    34,714.90x = 47,907.50 × 19,609.80
  4. Step 4: Simplify right side
    34,714.90x = 939,456,326.10
  5. Step 5: Solve for x
    x = 939,456,326.10/34,714.90
  6. Step 6: Final answer
    x = 27,062.05

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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.