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Finding the Fourth Proportional to 52,391.84, 72,326.64 and 35,712.32

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Solution

The fourth proportional to 52,391.84, 72,326.64 and 35,712.32 is: 49,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.84 : 72,326.64 = 35,712.32 : x
  2. Step 2: Convert to fraction form
    52,391.84/72,326.64 = 35,712.32/x
  3. Step 3: Cross multiply
    52,391.84x = 72,326.64 × 35,712.32
  4. Step 4: Simplify right side
    52,391.84x = 2,582,952,112.20
  5. Step 5: Solve for x
    x = 2,582,952,112.20/52,391.84
  6. Step 6: Final answer
    x = 49,300.66

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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.