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Finding the Fourth Proportional to 46,999.47, 70,482.80 and 18,912.24

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Solution

The fourth proportional to 46,999.47, 70,482.80 and 18,912.24 is: 28,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,999.47 : 70,482.80 = 18,912.24 : x
  2. Step 2: Convert to fraction form
    46,999.47/70,482.80 = 18,912.24/x
  3. Step 3: Cross multiply
    46,999.47x = 70,482.80 × 18,912.24
  4. Step 4: Simplify right side
    46,999.47x = 1,332,987,534.91
  5. Step 5: Solve for x
    x = 1,332,987,534.91/46,999.47
  6. Step 6: Final answer
    x = 28,361.76

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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.