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Finding the Fourth Proportional to 64,061.99, 88,406.21 and 35,382.38

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Solution

The fourth proportional to 64,061.99, 88,406.21 and 35,382.38 is: 48,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,061.99 : 88,406.21 = 35,382.38 : x
  2. Step 2: Convert to fraction form
    64,061.99/88,406.21 = 35,382.38/x
  3. Step 3: Cross multiply
    64,061.99x = 88,406.21 × 35,382.38
  4. Step 4: Simplify right side
    64,061.99x = 3,128,021,497.64
  5. Step 5: Solve for x
    x = 3,128,021,497.64/64,061.99
  6. Step 6: Final answer
    x = 48,828.05

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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.