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Finding the Fourth Proportional to 36,573.77, 54,862.55 and 11,615.77

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Solution

The fourth proportional to 36,573.77, 54,862.55 and 11,615.77 is: 17,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.77 : 54,862.55 = 11,615.77 : x
  2. Step 2: Convert to fraction form
    36,573.77/54,862.55 = 11,615.77/x
  3. Step 3: Cross multiply
    36,573.77x = 54,862.55 × 11,615.77
  4. Step 4: Simplify right side
    36,573.77x = 637,270,762.41
  5. Step 5: Solve for x
    x = 637,270,762.41/36,573.77
  6. Step 6: Final answer
    x = 17,424.26

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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.