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Finding the Fourth Proportional to 44,762.86, 67,144.28 and 21,055.66

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Solution

The fourth proportional to 44,762.86, 67,144.28 and 21,055.66 is: 31,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,762.86 : 67,144.28 = 21,055.66 : x
  2. Step 2: Convert to fraction form
    44,762.86/67,144.28 = 21,055.66/x
  3. Step 3: Cross multiply
    44,762.86x = 67,144.28 × 21,055.66
  4. Step 4: Simplify right side
    44,762.86x = 1,413,767,130.62
  5. Step 5: Solve for x
    x = 1,413,767,130.62/44,762.86
  6. Step 6: Final answer
    x = 31,583.49

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Double scale
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Similar ratio
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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.