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Finding the Fourth Proportional to 53,762.48, 80,658.24 and 18,704.08

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Solution

The fourth proportional to 53,762.48, 80,658.24 and 18,704.08 is: 28,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762.48 : 80,658.24 = 18,704.08 : x
  2. Step 2: Convert to fraction form
    53,762.48/80,658.24 = 18,704.08/x
  3. Step 3: Cross multiply
    53,762.48x = 80,658.24 × 18,704.08
  4. Step 4: Simplify right side
    53,762.48x = 1,508,638,173.62
  5. Step 5: Solve for x
    x = 1,508,638,173.62/53,762.48
  6. Step 6: Final answer
    x = 28,061.17

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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.