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Finding the Fourth Proportional to 50,509.51, 69,732.99 and 44,905

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Solution

The fourth proportional to 50,509.51, 69,732.99 and 44,905 is: 61,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,509.51 : 69,732.99 = 44,905 : x
  2. Step 2: Convert to fraction form
    50,509.51/69,732.99 = 44,905/x
  3. Step 3: Cross multiply
    50,509.51x = 69,732.99 × 44,905
  4. Step 4: Simplify right side
    50,509.51x = 3,131,359,915.95
  5. Step 5: Solve for x
    x = 3,131,359,915.95/50,509.51
  6. Step 6: Final answer
    x = 61,995.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.