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Finding the Fourth Proportional to 52,356.63, 77,942.79 and 52,045.25

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Solution

The fourth proportional to 52,356.63, 77,942.79 and 52,045.25 is: 77,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356.63 : 77,942.79 = 52,045.25 : x
  2. Step 2: Convert to fraction form
    52,356.63/77,942.79 = 52,045.25/x
  3. Step 3: Cross multiply
    52,356.63x = 77,942.79 × 52,045.25
  4. Step 4: Simplify right side
    52,356.63x = 4,056,551,601.53
  5. Step 5: Solve for x
    x = 4,056,551,601.53/52,356.63
  6. Step 6: Final answer
    x = 77,479.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.