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Finding the Fourth Proportional to 16,079.80, 24,090.90 and 9,916.60

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Solution

The fourth proportional to 16,079.80, 24,090.90 and 9,916.60 is: 14,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.80 : 24,090.90 = 9,916.60 : x
  2. Step 2: Convert to fraction form
    16,079.80/24,090.90 = 9,916.60/x
  3. Step 3: Cross multiply
    16,079.80x = 24,090.90 × 9,916.60
  4. Step 4: Simplify right side
    16,079.80x = 238,899,818.94
  5. Step 5: Solve for x
    x = 238,899,818.94/16,079.80
  6. Step 6: Final answer
    x = 14,857.14

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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.