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Finding the Fourth Proportional to 46,687.40, 70,031.10 and 25,619.30

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Solution

The fourth proportional to 46,687.40, 70,031.10 and 25,619.30 is: 38,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,687.40 : 70,031.10 = 25,619.30 : x
  2. Step 2: Convert to fraction form
    46,687.40/70,031.10 = 25,619.30/x
  3. Step 3: Cross multiply
    46,687.40x = 70,031.10 × 25,619.30
  4. Step 4: Simplify right side
    46,687.40x = 1,794,147,760.23
  5. Step 5: Solve for x
    x = 1,794,147,760.23/46,687.40
  6. Step 6: Final answer
    x = 38,428.95

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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.