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Finding the Fourth Proportional to 62,878.48, 94,692.07 and 56,709.52

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Solution

The fourth proportional to 62,878.48, 94,692.07 and 56,709.52 is: 85,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.48 : 94,692.07 = 56,709.52 : x
  2. Step 2: Convert to fraction form
    62,878.48/94,692.07 = 56,709.52/x
  3. Step 3: Cross multiply
    62,878.48x = 94,692.07 × 56,709.52
  4. Step 4: Simplify right side
    62,878.48x = 5,369,941,837.51
  5. Step 5: Solve for x
    x = 5,369,941,837.51/62,878.48
  6. Step 6: Final answer
    x = 85,401.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.