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Finding the Fourth Proportional to 49,356, 74,041.70 and 16,068.20

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Solution

The fourth proportional to 49,356, 74,041.70 and 16,068.20 is: 24,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,356 : 74,041.70 = 16,068.20 : x
  2. Step 2: Convert to fraction form
    49,356/74,041.70 = 16,068.20/x
  3. Step 3: Cross multiply
    49,356x = 74,041.70 × 16,068.20
  4. Step 4: Simplify right side
    49,356x = 1,189,716,393.39
  5. Step 5: Solve for x
    x = 1,189,716,393.39/49,356
  6. Step 6: Final answer
    x = 24,104.80

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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.