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Finding the Fourth Proportional to 44,396.40, 66,594.42 and 21,039.24

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Solution

The fourth proportional to 44,396.40, 66,594.42 and 21,039.24 is: 31,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,396.40 : 66,594.42 = 21,039.24 : x
  2. Step 2: Convert to fraction form
    44,396.40/66,594.42 = 21,039.24/x
  3. Step 3: Cross multiply
    44,396.40x = 66,594.42 × 21,039.24
  4. Step 4: Simplify right side
    44,396.40x = 1,401,095,985.04
  5. Step 5: Solve for x
    x = 1,401,095,985.04/44,396.40
  6. Step 6: Final answer
    x = 31,558.77

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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.