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Finding the Fourth Proportional to 45,863.40, 68,801.51 and 14,275.77

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Solution

The fourth proportional to 45,863.40, 68,801.51 and 14,275.77 is: 21,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.40 : 68,801.51 = 14,275.77 : x
  2. Step 2: Convert to fraction form
    45,863.40/68,801.51 = 14,275.77/x
  3. Step 3: Cross multiply
    45,863.40x = 68,801.51 × 14,275.77
  4. Step 4: Simplify right side
    45,863.40x = 982,194,461.03
  5. Step 5: Solve for x
    x = 982,194,461.03/45,863.40
  6. Step 6: Final answer
    x = 21,415.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.