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Finding the Fourth Proportional to 46,720.70, 64,472.76 and 25,499.96

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Solution

The fourth proportional to 46,720.70, 64,472.76 and 25,499.96 is: 35,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720.70 : 64,472.76 = 25,499.96 : x
  2. Step 2: Convert to fraction form
    46,720.70/64,472.76 = 25,499.96/x
  3. Step 3: Cross multiply
    46,720.70x = 64,472.76 × 25,499.96
  4. Step 4: Simplify right side
    46,720.70x = 1,644,053,083.16
  5. Step 5: Solve for x
    x = 1,644,053,083.16/46,720.70
  6. Step 6: Final answer
    x = 35,188.97

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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.