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Finding the Fourth Proportional to 25,870.08, 38,804.04 and 7,402.08

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Solution

The fourth proportional to 25,870.08, 38,804.04 and 7,402.08 is: 11,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.08 : 38,804.04 = 7,402.08 : x
  2. Step 2: Convert to fraction form
    25,870.08/38,804.04 = 7,402.08/x
  3. Step 3: Cross multiply
    25,870.08x = 38,804.04 × 7,402.08
  4. Step 4: Simplify right side
    25,870.08x = 287,230,608.40
  5. Step 5: Solve for x
    x = 287,230,608.40/25,870.08
  6. Step 6: Final answer
    x = 11,102.81

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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.