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Finding the Fourth Proportional to 61,712.79, 92,572.39 and 19,596.17

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Solution

The fourth proportional to 61,712.79, 92,572.39 and 19,596.17 is: 29,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.79 : 92,572.39 = 19,596.17 : x
  2. Step 2: Convert to fraction form
    61,712.79/92,572.39 = 19,596.17/x
  3. Step 3: Cross multiply
    61,712.79x = 92,572.39 × 19,596.17
  4. Step 4: Simplify right side
    61,712.79x = 1,814,064,291.75
  5. Step 5: Solve for x
    x = 1,814,064,291.75/61,712.79
  6. Step 6: Final answer
    x = 29,395.27

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1.5x scale

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.