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Finding the Fourth Proportional to 63,565, 87,735.82 and 43,430.02

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Solution

The fourth proportional to 63,565, 87,735.82 and 43,430.02 is: 59,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565 : 87,735.82 = 43,430.02 : x
  2. Step 2: Convert to fraction form
    63,565/87,735.82 = 43,430.02/x
  3. Step 3: Cross multiply
    63,565x = 87,735.82 × 43,430.02
  4. Step 4: Simplify right side
    63,565x = 3,810,368,417.32
  5. Step 5: Solve for x
    x = 3,810,368,417.32/63,565
  6. Step 6: Final answer
    x = 59,944.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.