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Finding the Fourth Proportional to 25,822.76, 38,740.60 and 7,354.76

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Solution

The fourth proportional to 25,822.76, 38,740.60 and 7,354.76 is: 11,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,822.76 : 38,740.60 = 7,354.76 : x
  2. Step 2: Convert to fraction form
    25,822.76/38,740.60 = 7,354.76/x
  3. Step 3: Cross multiply
    25,822.76x = 38,740.60 × 7,354.76
  4. Step 4: Simplify right side
    25,822.76x = 284,927,815.26
  5. Step 5: Solve for x
    x = 284,927,815.26/25,822.76
  6. Step 6: Final answer
    x = 11,033.98

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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.