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Finding the Fourth Proportional to 66,328.92, 91,529.28 and 37,649.17

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Solution

The fourth proportional to 66,328.92, 91,529.28 and 37,649.17 is: 51,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.92 : 91,529.28 = 37,649.17 : x
  2. Step 2: Convert to fraction form
    66,328.92/91,529.28 = 37,649.17/x
  3. Step 3: Cross multiply
    66,328.92x = 91,529.28 × 37,649.17
  4. Step 4: Simplify right side
    66,328.92x = 3,446,001,193.87
  5. Step 5: Solve for x
    x = 3,446,001,193.87/66,328.92
  6. Step 6: Final answer
    x = 51,953.22

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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.