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Finding the Fourth Proportional to 61,051.80, 91,577.70 and 43,337.10

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Solution

The fourth proportional to 61,051.80, 91,577.70 and 43,337.10 is: 65,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.80 : 91,577.70 = 43,337.10 : x
  2. Step 2: Convert to fraction form
    61,051.80/91,577.70 = 43,337.10/x
  3. Step 3: Cross multiply
    61,051.80x = 91,577.70 × 43,337.10
  4. Step 4: Simplify right side
    61,051.80x = 3,968,711,942.67
  5. Step 5: Solve for x
    x = 3,968,711,942.67/61,051.80
  6. Step 6: Final answer
    x = 65,005.65

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Similar ratio
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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.