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Finding the Fourth Proportional to 66,802.47, 92,186.48 and 36,587.78

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Solution

The fourth proportional to 66,802.47, 92,186.48 and 36,587.78 is: 50,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.47 : 92,186.48 = 36,587.78 : x
  2. Step 2: Convert to fraction form
    66,802.47/92,186.48 = 36,587.78/x
  3. Step 3: Cross multiply
    66,802.47x = 92,186.48 × 36,587.78
  4. Step 4: Simplify right side
    66,802.47x = 3,372,898,625.45
  5. Step 5: Solve for x
    x = 3,372,898,625.45/66,802.47
  6. Step 6: Final answer
    x = 50,490.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.