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Finding the Fourth Proportional to 46,679.70, 70,006.65 and 12,937.65

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Solution

The fourth proportional to 46,679.70, 70,006.65 and 12,937.65 is: 19,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.70 : 70,006.65 = 12,937.65 : x
  2. Step 2: Convert to fraction form
    46,679.70/70,006.65 = 12,937.65/x
  3. Step 3: Cross multiply
    46,679.70x = 70,006.65 × 12,937.65
  4. Step 4: Simplify right side
    46,679.70x = 905,721,535.37
  5. Step 5: Solve for x
    x = 905,721,535.37/46,679.70
  6. Step 6: Final answer
    x = 19,402.90

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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.