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Finding the Fourth Proportional to 46.59, 64.74 and 46.10

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Solution

The fourth proportional to 46.59, 64.74 and 46.10 is: 64.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.59 : 64.74 = 46.10 : x
  2. Step 2: Convert to fraction form
    46.59/64.74 = 46.10/x
  3. Step 3: Cross multiply
    46.59x = 64.74 × 46.10
  4. Step 4: Simplify right side
    46.59x = 2,984.19
  5. Step 5: Solve for x
    x = 2,984.19/46.59
  6. Step 6: Final answer
    x = 64.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.