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Finding the Fourth Proportional to 16,404.70, 24,574.65 and 9,811.30

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Solution

The fourth proportional to 16,404.70, 24,574.65 and 9,811.30 is: 14,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.70 : 24,574.65 = 9,811.30 : x
  2. Step 2: Convert to fraction form
    16,404.70/24,574.65 = 9,811.30/x
  3. Step 3: Cross multiply
    16,404.70x = 24,574.65 × 9,811.30
  4. Step 4: Simplify right side
    16,404.70x = 241,109,263.55
  5. Step 5: Solve for x
    x = 241,109,263.55/16,404.70
  6. Step 6: Final answer
    x = 14,697.57

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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.