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Finding the Fourth Proportional to 61,994.70, 92,992.05 and 43,332.30

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Solution

The fourth proportional to 61,994.70, 92,992.05 and 43,332.30 is: 64,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,994.70 : 92,992.05 = 43,332.30 : x
  2. Step 2: Convert to fraction form
    61,994.70/92,992.05 = 43,332.30/x
  3. Step 3: Cross multiply
    61,994.70x = 92,992.05 × 43,332.30
  4. Step 4: Simplify right side
    61,994.70x = 4,029,559,408.22
  5. Step 5: Solve for x
    x = 4,029,559,408.22/61,994.70
  6. Step 6: Final answer
    x = 64,998.45

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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.