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Finding the Fourth Proportional to 12,695.34, 19,043.02 and 3,461.34

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Solution

The fourth proportional to 12,695.34, 19,043.02 and 3,461.34 is: 5,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.34 : 19,043.02 = 3,461.34 : x
  2. Step 2: Convert to fraction form
    12,695.34/19,043.02 = 3,461.34/x
  3. Step 3: Cross multiply
    12,695.34x = 19,043.02 × 3,461.34
  4. Step 4: Simplify right side
    12,695.34x = 65,914,442.58
  5. Step 5: Solve for x
    x = 65,914,442.58/12,695.34
  6. Step 6: Final answer
    x = 5,192.02

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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.