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Finding the Fourth Proportional to 56,382.53, 77,770.41 and 36,264.86

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Solution

The fourth proportional to 56,382.53, 77,770.41 and 36,264.86 is: 50,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,382.53 : 77,770.41 = 36,264.86 : x
  2. Step 2: Convert to fraction form
    56,382.53/77,770.41 = 36,264.86/x
  3. Step 3: Cross multiply
    56,382.53x = 77,770.41 × 36,264.86
  4. Step 4: Simplify right side
    56,382.53x = 2,820,333,030.79
  5. Step 5: Solve for x
    x = 2,820,333,030.79/56,382.53
  6. Step 6: Final answer
    x = 50,021.40

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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.