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Finding the Fourth Proportional to 45,695.70, 68,543.55 and 14,534.10

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Solution

The fourth proportional to 45,695.70, 68,543.55 and 14,534.10 is: 21,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.70 : 68,543.55 = 14,534.10 : x
  2. Step 2: Convert to fraction form
    45,695.70/68,543.55 = 14,534.10/x
  3. Step 3: Cross multiply
    45,695.70x = 68,543.55 × 14,534.10
  4. Step 4: Simplify right side
    45,695.70x = 996,218,810.06
  5. Step 5: Solve for x
    x = 996,218,810.06/45,695.70
  6. Step 6: Final answer
    x = 21,801.15

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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.