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Finding the Fourth Proportional to 46,657.71, 69,972.21 and 13,368.85

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Solution

The fourth proportional to 46,657.71, 69,972.21 and 13,368.85 is: 20,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,657.71 : 69,972.21 = 13,368.85 : x
  2. Step 2: Convert to fraction form
    46,657.71/69,972.21 = 13,368.85/x
  3. Step 3: Cross multiply
    46,657.71x = 69,972.21 × 13,368.85
  4. Step 4: Simplify right side
    46,657.71x = 935,447,804.73
  5. Step 5: Solve for x
    x = 935,447,804.73/46,657.71
  6. Step 6: Final answer
    x = 20,049.16

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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.