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Finding the Fourth Proportional to 52,356.53, 72,219.62 and 45,658.24

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Solution

The fourth proportional to 52,356.53, 72,219.62 and 45,658.24 is: 62,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356.53 : 72,219.62 = 45,658.24 : x
  2. Step 2: Convert to fraction form
    52,356.53/72,219.62 = 45,658.24/x
  3. Step 3: Cross multiply
    52,356.53x = 72,219.62 × 45,658.24
  4. Step 4: Simplify right side
    52,356.53x = 3,297,420,419.44
  5. Step 5: Solve for x
    x = 3,297,420,419.44/52,356.53
  6. Step 6: Final answer
    x = 62,980.11

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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.