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Finding the Fourth Proportional to 43,477.40, 59,990.90 and 25,575.96

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Solution

The fourth proportional to 43,477.40, 59,990.90 and 25,575.96 is: 35,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.40 : 59,990.90 = 25,575.96 : x
  2. Step 2: Convert to fraction form
    43,477.40/59,990.90 = 25,575.96/x
  3. Step 3: Cross multiply
    43,477.40x = 59,990.90 × 25,575.96
  4. Step 4: Simplify right side
    43,477.40x = 1,534,324,858.76
  5. Step 5: Solve for x
    x = 1,534,324,858.76/43,477.40
  6. Step 6: Final answer
    x = 35,290.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.