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Finding the Fourth Proportional to 50,460.84, 75,705.84 and 20,873.16

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Solution

The fourth proportional to 50,460.84, 75,705.84 and 20,873.16 is: 31,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,460.84 : 75,705.84 = 20,873.16 : x
  2. Step 2: Convert to fraction form
    50,460.84/75,705.84 = 20,873.16/x
  3. Step 3: Cross multiply
    50,460.84x = 75,705.84 × 20,873.16
  4. Step 4: Simplify right side
    50,460.84x = 1,580,220,111.25
  5. Step 5: Solve for x
    x = 1,580,220,111.25/50,460.84
  6. Step 6: Final answer
    x = 31,315.77

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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.