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Finding the Fourth Proportional to 50,140, 75,210.96 and 23,471.20

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Solution

The fourth proportional to 50,140, 75,210.96 and 23,471.20 is: 35,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140 : 75,210.96 = 23,471.20 : x
  2. Step 2: Convert to fraction form
    50,140/75,210.96 = 23,471.20/x
  3. Step 3: Cross multiply
    50,140x = 75,210.96 × 23,471.20
  4. Step 4: Simplify right side
    50,140x = 1,765,291,484.35
  5. Step 5: Solve for x
    x = 1,765,291,484.35/50,140
  6. Step 6: Final answer
    x = 35,207.25

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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.