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Finding the Fourth Proportional to 25,437.41, 38,156.25 and 7,907.25

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Solution

The fourth proportional to 25,437.41, 38,156.25 and 7,907.25 is: 11,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.41 : 38,156.25 = 7,907.25 : x
  2. Step 2: Convert to fraction form
    25,437.41/38,156.25 = 7,907.25/x
  3. Step 3: Cross multiply
    25,437.41x = 38,156.25 × 7,907.25
  4. Step 4: Simplify right side
    25,437.41x = 301,711,007.81
  5. Step 5: Solve for x
    x = 301,711,007.81/25,437.41
  6. Step 6: Final answer
    x = 11,860.92

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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.