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Finding the Fourth Proportional to 53,893.84, 74,446.10 and 48,863.72

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Solution

The fourth proportional to 53,893.84, 74,446.10 and 48,863.72 is: 67,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.84 : 74,446.10 = 48,863.72 : x
  2. Step 2: Convert to fraction form
    53,893.84/74,446.10 = 48,863.72/x
  3. Step 3: Cross multiply
    53,893.84x = 74,446.10 × 48,863.72
  4. Step 4: Simplify right side
    53,893.84x = 3,637,713,385.49
  5. Step 5: Solve for x
    x = 3,637,713,385.49/53,893.84
  6. Step 6: Final answer
    x = 67,497.76

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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.