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Finding the Fourth Proportional to 25,059.84, 37,590.96 and 20,669.16

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Solution

The fourth proportional to 25,059.84, 37,590.96 and 20,669.16 is: 31,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,059.84 : 37,590.96 = 20,669.16 : x
  2. Step 2: Convert to fraction form
    25,059.84/37,590.96 = 20,669.16/x
  3. Step 3: Cross multiply
    25,059.84x = 37,590.96 × 20,669.16
  4. Step 4: Simplify right side
    25,059.84x = 776,973,566.79
  5. Step 5: Solve for x
    x = 776,973,566.79/25,059.84
  6. Step 6: Final answer
    x = 31,004.73

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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.