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Finding the Fourth Proportional to 29,336.86, 40,483.74 and 15,907.87

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Solution

The fourth proportional to 29,336.86, 40,483.74 and 15,907.87 is: 21,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,336.86 : 40,483.74 = 15,907.87 : x
  2. Step 2: Convert to fraction form
    29,336.86/40,483.74 = 15,907.87/x
  3. Step 3: Cross multiply
    29,336.86x = 40,483.74 × 15,907.87
  4. Step 4: Simplify right side
    29,336.86x = 644,010,073.03
  5. Step 5: Solve for x
    x = 644,010,073.03/29,336.86
  6. Step 6: Final answer
    x = 21,952.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.