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Finding the Fourth Proportional to 46,695, 70,043.14 and 15,530.28

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Solution

The fourth proportional to 46,695, 70,043.14 and 15,530.28 is: 23,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,695 : 70,043.14 = 15,530.28 : x
  2. Step 2: Convert to fraction form
    46,695/70,043.14 = 15,530.28/x
  3. Step 3: Cross multiply
    46,695x = 70,043.14 × 15,530.28
  4. Step 4: Simplify right side
    46,695x = 1,087,789,576.28
  5. Step 5: Solve for x
    x = 1,087,789,576.28/46,695
  6. Step 6: Final answer
    x = 23,295.63

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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.