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Finding the Fourth Proportional to 63,365.79, 87,447.56 and 35,071.47

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Solution

The fourth proportional to 63,365.79, 87,447.56 and 35,071.47 is: 48,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,365.79 : 87,447.56 = 35,071.47 : x
  2. Step 2: Convert to fraction form
    63,365.79/87,447.56 = 35,071.47/x
  3. Step 3: Cross multiply
    63,365.79x = 87,447.56 × 35,071.47
  4. Step 4: Simplify right side
    63,365.79x = 3,066,914,477.11
  5. Step 5: Solve for x
    x = 3,066,914,477.11/63,365.79
  6. Step 6: Final answer
    x = 48,400.16

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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.