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Finding the Fourth Proportional to 64,513.74, 96,661.41 and 39,501.56

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Solution

The fourth proportional to 64,513.74, 96,661.41 and 39,501.56 is: 59,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513.74 : 96,661.41 = 39,501.56 : x
  2. Step 2: Convert to fraction form
    64,513.74/96,661.41 = 39,501.56/x
  3. Step 3: Cross multiply
    64,513.74x = 96,661.41 × 39,501.56
  4. Step 4: Simplify right side
    64,513.74x = 3,818,275,805.98
  5. Step 5: Solve for x
    x = 3,818,275,805.98/64,513.74
  6. Step 6: Final answer
    x = 59,185.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.