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Finding the Fourth Proportional to 64,066.32, 88,413.48 and 35,773.20

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Solution

The fourth proportional to 64,066.32, 88,413.48 and 35,773.20 is: 49,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,066.32 : 88,413.48 = 35,773.20 : x
  2. Step 2: Convert to fraction form
    64,066.32/88,413.48 = 35,773.20/x
  3. Step 3: Cross multiply
    64,066.32x = 88,413.48 × 35,773.20
  4. Step 4: Simplify right side
    64,066.32x = 3,162,833,102.74
  5. Step 5: Solve for x
    x = 3,162,833,102.74/64,066.32
  6. Step 6: Final answer
    x = 49,368.11

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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.