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Finding the Fourth Proportional to 40,888.70, 61,304.34 and 15,907.69

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Solution

The fourth proportional to 40,888.70, 61,304.34 and 15,907.69 is: 23,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,888.70 : 61,304.34 = 15,907.69 : x
  2. Step 2: Convert to fraction form
    40,888.70/61,304.34 = 15,907.69/x
  3. Step 3: Cross multiply
    40,888.70x = 61,304.34 × 15,907.69
  4. Step 4: Simplify right side
    40,888.70x = 975,210,572.66
  5. Step 5: Solve for x
    x = 975,210,572.66/40,888.70
  6. Step 6: Final answer
    x = 23,850.37

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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.