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Finding the Fourth Proportional to 39,810.66, 54,941.03 and 22,820.16

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Solution

The fourth proportional to 39,810.66, 54,941.03 and 22,820.16 is: 31,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.66 : 54,941.03 = 22,820.16 : x
  2. Step 2: Convert to fraction form
    39,810.66/54,941.03 = 22,820.16/x
  3. Step 3: Cross multiply
    39,810.66x = 54,941.03 × 22,820.16
  4. Step 4: Simplify right side
    39,810.66x = 1,253,763,095.16
  5. Step 5: Solve for x
    x = 1,253,763,095.16/39,810.66
  6. Step 6: Final answer
    x = 31,493.15

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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.