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Finding the Fourth Proportional to 48,801.51, 73,201.50 and 15,521.10

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Solution

The fourth proportional to 48,801.51, 73,201.50 and 15,521.10 is: 23,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,801.51 : 73,201.50 = 15,521.10 : x
  2. Step 2: Convert to fraction form
    48,801.51/73,201.50 = 15,521.10/x
  3. Step 3: Cross multiply
    48,801.51x = 73,201.50 × 15,521.10
  4. Step 4: Simplify right side
    48,801.51x = 1,136,167,801.65
  5. Step 5: Solve for x
    x = 1,136,167,801.65/48,801.51
  6. Step 6: Final answer
    x = 23,281.41

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Double scale
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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.