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Finding the Fourth Proportional to 70.59, 97.35 and 46.00

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Solution

The fourth proportional to 70.59, 97.35 and 46.00 is: 63.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.59 : 97.35 = 46.00 : x
  2. Step 2: Convert to fraction form
    70.59/97.35 = 46.00/x
  3. Step 3: Cross multiply
    70.59x = 97.35 × 46.00
  4. Step 4: Simplify right side
    70.59x = 4,477.61
  5. Step 5: Solve for x
    x = 4,477.61/70.59
  6. Step 6: Final answer
    x = 63.43

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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.