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Finding the Fourth Proportional to 49,666.40, 74,499.60 and 16,834.40

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Solution

The fourth proportional to 49,666.40, 74,499.60 and 16,834.40 is: 25,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,666.40 : 74,499.60 = 16,834.40 : x
  2. Step 2: Convert to fraction form
    49,666.40/74,499.60 = 16,834.40/x
  3. Step 3: Cross multiply
    49,666.40x = 74,499.60 × 16,834.40
  4. Step 4: Simplify right side
    49,666.40x = 1,254,156,066.24
  5. Step 5: Solve for x
    x = 1,254,156,066.24/49,666.40
  6. Step 6: Final answer
    x = 25,251.60

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Similar ratio
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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.