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Finding the Fourth Proportional to 50,356.71, 75,535.08 and 12,916.79

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Solution

The fourth proportional to 50,356.71, 75,535.08 and 12,916.79 is: 19,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,356.71 : 75,535.08 = 12,916.79 : x
  2. Step 2: Convert to fraction form
    50,356.71/75,535.08 = 12,916.79/x
  3. Step 3: Cross multiply
    50,356.71x = 75,535.08 × 12,916.79
  4. Step 4: Simplify right side
    50,356.71x = 975,670,388.32
  5. Step 5: Solve for x
    x = 975,670,388.32/50,356.71
  6. Step 6: Final answer
    x = 19,375.18

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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.