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Finding the Fourth Proportional to 50,657.08, 75,939.16 and 19,468.84

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Solution

The fourth proportional to 50,657.08, 75,939.16 and 19,468.84 is: 29,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,657.08 : 75,939.16 = 19,468.84 : x
  2. Step 2: Convert to fraction form
    50,657.08/75,939.16 = 19,468.84/x
  3. Step 3: Cross multiply
    50,657.08x = 75,939.16 × 19,468.84
  4. Step 4: Simplify right side
    50,657.08x = 1,478,447,355.77
  5. Step 5: Solve for x
    x = 1,478,447,355.77/50,657.08
  6. Step 6: Final answer
    x = 29,185.40

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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.