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Finding the Fourth Proportional to 46,644.61, 69,966.69 and 13,364.62

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Solution

The fourth proportional to 46,644.61, 69,966.69 and 13,364.62 is: 20,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,644.61 : 69,966.69 = 13,364.62 : x
  2. Step 2: Convert to fraction form
    46,644.61/69,966.69 = 13,364.62/x
  3. Step 3: Cross multiply
    46,644.61x = 69,966.69 × 13,364.62
  4. Step 4: Simplify right side
    46,644.61x = 935,078,196.26
  5. Step 5: Solve for x
    x = 935,078,196.26/46,644.61
  6. Step 6: Final answer
    x = 20,046.87

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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.