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Finding the Fourth Proportional to 46,679.50, 64,471.48 and 33,989.44

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Solution

The fourth proportional to 46,679.50, 64,471.48 and 33,989.44 is: 46,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.50 : 64,471.48 = 33,989.44 : x
  2. Step 2: Convert to fraction form
    46,679.50/64,471.48 = 33,989.44/x
  3. Step 3: Cross multiply
    46,679.50x = 64,471.48 × 33,989.44
  4. Step 4: Simplify right side
    46,679.50x = 2,191,349,501.17
  5. Step 5: Solve for x
    x = 2,191,349,501.17/46,679.50
  6. Step 6: Final answer
    x = 46,944.58

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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.