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Finding the Fourth Proportional to 39,463.63, 59,174.65 and 26,987.20

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Solution

The fourth proportional to 39,463.63, 59,174.65 and 26,987.20 is: 40,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.63 : 59,174.65 = 26,987.20 : x
  2. Step 2: Convert to fraction form
    39,463.63/59,174.65 = 26,987.20/x
  3. Step 3: Cross multiply
    39,463.63x = 59,174.65 × 26,987.20
  4. Step 4: Simplify right side
    39,463.63x = 1,596,958,114.48
  5. Step 5: Solve for x
    x = 1,596,958,114.48/39,463.63
  6. Step 6: Final answer
    x = 40,466.58

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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.