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Finding the Fourth Proportional to 64,066.56, 88,411.26 and 35,387.94

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Solution

The fourth proportional to 64,066.56, 88,411.26 and 35,387.94 is: 48,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,066.56 : 88,411.26 = 35,387.94 : x
  2. Step 2: Convert to fraction form
    64,066.56/88,411.26 = 35,387.94/x
  3. Step 3: Cross multiply
    64,066.56x = 88,411.26 × 35,387.94
  4. Step 4: Simplify right side
    64,066.56x = 3,128,692,364.20
  5. Step 5: Solve for x
    x = 3,128,692,364.20/64,066.56
  6. Step 6: Final answer
    x = 48,835.03

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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.