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Finding the Fourth Proportional to 16,798.71, 25,197.14 and 5,111.01

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Solution

The fourth proportional to 16,798.71, 25,197.14 and 5,111.01 is: 7,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.71 : 25,197.14 = 5,111.01 : x
  2. Step 2: Convert to fraction form
    16,798.71/25,197.14 = 5,111.01/x
  3. Step 3: Cross multiply
    16,798.71x = 25,197.14 × 5,111.01
  4. Step 4: Simplify right side
    16,798.71x = 128,782,808.96
  5. Step 5: Solve for x
    x = 128,782,808.96/16,798.71
  6. Step 6: Final answer
    x = 7,666.23

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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.