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Finding the Fourth Proportional to 56,272.98, 84,290.37 and 36,492.78

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Solution

The fourth proportional to 56,272.98, 84,290.37 and 36,492.78 is: 54,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272.98 : 84,290.37 = 36,492.78 : x
  2. Step 2: Convert to fraction form
    56,272.98/84,290.37 = 36,492.78/x
  3. Step 3: Cross multiply
    56,272.98x = 84,290.37 × 36,492.78
  4. Step 4: Simplify right side
    56,272.98x = 3,075,989,928.53
  5. Step 5: Solve for x
    x = 3,075,989,928.53/56,272.98
  6. Step 6: Final answer
    x = 54,661.93

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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.