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Finding the Fourth Proportional to 46.68, 64.50 and 37

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Solution

The fourth proportional to 46.68, 64.50 and 37 is: 51.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.68 : 64.50 = 37 : x
  2. Step 2: Convert to fraction form
    46.68/64.50 = 37/x
  3. Step 3: Cross multiply
    46.68x = 64.50 × 37
  4. Step 4: Simplify right side
    46.68x = 2,386.50
  5. Step 5: Solve for x
    x = 2,386.50/46.68
  6. Step 6: Final answer
    x = 51.12

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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.