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Finding the Fourth Proportional to 64,208.91, 88,603.47 and 35,909.13

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Solution

The fourth proportional to 64,208.91, 88,603.47 and 35,909.13 is: 49,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.91 : 88,603.47 = 35,909.13 : x
  2. Step 2: Convert to fraction form
    64,208.91/88,603.47 = 35,909.13/x
  3. Step 3: Cross multiply
    64,208.91x = 88,603.47 × 35,909.13
  4. Step 4: Simplify right side
    64,208.91x = 3,181,673,522.68
  5. Step 5: Solve for x
    x = 3,181,673,522.68/64,208.91
  6. Step 6: Final answer
    x = 49,551.90

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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.