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Finding the Fourth Proportional to 15,807.99, 23,693.76 and 7,490.10

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Solution

The fourth proportional to 15,807.99, 23,693.76 and 7,490.10 is: 11,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.99 : 23,693.76 = 7,490.10 : x
  2. Step 2: Convert to fraction form
    15,807.99/23,693.76 = 7,490.10/x
  3. Step 3: Cross multiply
    15,807.99x = 23,693.76 × 7,490.10
  4. Step 4: Simplify right side
    15,807.99x = 177,468,631.78
  5. Step 5: Solve for x
    x = 177,468,631.78/15,807.99
  6. Step 6: Final answer
    x = 11,226.51

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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.