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Finding the Fourth Proportional to 65,394.70, 97,832.85 and 56,725.90

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Solution

The fourth proportional to 65,394.70, 97,832.85 and 56,725.90 is: 84,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,394.70 : 97,832.85 = 56,725.90 : x
  2. Step 2: Convert to fraction form
    65,394.70/97,832.85 = 56,725.90/x
  3. Step 3: Cross multiply
    65,394.70x = 97,832.85 × 56,725.90
  4. Step 4: Simplify right side
    65,394.70x = 5,549,656,465.82
  5. Step 5: Solve for x
    x = 5,549,656,465.82/65,394.70
  6. Step 6: Final answer
    x = 84,864.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.