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Finding the Fourth Proportional to 70,063.46, 96,662.30 and 53,935.70

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Solution

The fourth proportional to 70,063.46, 96,662.30 and 53,935.70 is: 74,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.46 : 96,662.30 = 53,935.70 : x
  2. Step 2: Convert to fraction form
    70,063.46/96,662.30 = 53,935.70/x
  3. Step 3: Cross multiply
    70,063.46x = 96,662.30 × 53,935.70
  4. Step 4: Simplify right side
    70,063.46x = 5,213,548,061.12
  5. Step 5: Solve for x
    x = 5,213,548,061.12/70,063.46
  6. Step 6: Final answer
    x = 74,411.80

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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.