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Finding the Fourth Proportional to 46,350.84, 69,472.71 and 21,338.46

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Solution

The fourth proportional to 46,350.84, 69,472.71 and 21,338.46 is: 31,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,350.84 : 69,472.71 = 21,338.46 : x
  2. Step 2: Convert to fraction form
    46,350.84/69,472.71 = 21,338.46/x
  3. Step 3: Cross multiply
    46,350.84x = 69,472.71 × 21,338.46
  4. Step 4: Simplify right side
    46,350.84x = 1,482,440,643.43
  5. Step 5: Solve for x
    x = 1,482,440,643.43/46,350.84
  6. Step 6: Final answer
    x = 31,983.04

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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.