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Finding the Fourth Proportional to 48,553.94, 66,970.86 and 29,700.38

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Solution

The fourth proportional to 48,553.94, 66,970.86 and 29,700.38 is: 40,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,553.94 : 66,970.86 = 29,700.38 : x
  2. Step 2: Convert to fraction form
    48,553.94/66,970.86 = 29,700.38/x
  3. Step 3: Cross multiply
    48,553.94x = 66,970.86 × 29,700.38
  4. Step 4: Simplify right side
    48,553.94x = 1,989,059,990.93
  5. Step 5: Solve for x
    x = 1,989,059,990.93/48,553.94
  6. Step 6: Final answer
    x = 40,965.99

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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.