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Finding the Fourth Proportional to 56,889, 85,294.62 and 34,710.12

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Solution

The fourth proportional to 56,889, 85,294.62 and 34,710.12 is: 52,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889 : 85,294.62 = 34,710.12 : x
  2. Step 2: Convert to fraction form
    56,889/85,294.62 = 34,710.12/x
  3. Step 3: Cross multiply
    56,889x = 85,294.62 × 34,710.12
  4. Step 4: Simplify right side
    56,889x = 2,960,586,495.55
  5. Step 5: Solve for x
    x = 2,960,586,495.55/56,889
  6. Step 6: Final answer
    x = 52,041.46

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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.