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Finding the Fourth Proportional to 48,743.32, 73,115.02 and 11,807.32

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Solution

The fourth proportional to 48,743.32, 73,115.02 and 11,807.32 is: 17,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.32 : 73,115.02 = 11,807.32 : x
  2. Step 2: Convert to fraction form
    48,743.32/73,115.02 = 11,807.32/x
  3. Step 3: Cross multiply
    48,743.32x = 73,115.02 × 11,807.32
  4. Step 4: Simplify right side
    48,743.32x = 863,292,437.95
  5. Step 5: Solve for x
    x = 863,292,437.95/48,743.32
  6. Step 6: Final answer
    x = 17,710.99

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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.