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Finding the Fourth Proportional to 25,804.74, 38,707.17 and 7,085.03

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Solution

The fourth proportional to 25,804.74, 38,707.17 and 7,085.03 is: 10,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.74 : 38,707.17 = 7,085.03 : x
  2. Step 2: Convert to fraction form
    25,804.74/38,707.17 = 7,085.03/x
  3. Step 3: Cross multiply
    25,804.74x = 38,707.17 × 7,085.03
  4. Step 4: Simplify right side
    25,804.74x = 274,241,460.67
  5. Step 5: Solve for x
    x = 274,241,460.67/25,804.74
  6. Step 6: Final answer
    x = 10,627.56

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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.