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Finding the Fourth Proportional to 38,891.01, 58,330.02 and 10,807.20

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Solution

The fourth proportional to 38,891.01, 58,330.02 and 10,807.20 is: 16,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.01 : 58,330.02 = 10,807.20 : x
  2. Step 2: Convert to fraction form
    38,891.01/58,330.02 = 10,807.20/x
  3. Step 3: Cross multiply
    38,891.01x = 58,330.02 × 10,807.20
  4. Step 4: Simplify right side
    38,891.01x = 630,384,068.62
  5. Step 5: Solve for x
    x = 630,384,068.62/38,891.01
  6. Step 6: Final answer
    x = 16,208.99

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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.