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Finding the Fourth Proportional to 35,809.02, 53,720.03 and 15,818.48

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Solution

The fourth proportional to 35,809.02, 53,720.03 and 15,818.48 is: 23,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.02 : 53,720.03 = 15,818.48 : x
  2. Step 2: Convert to fraction form
    35,809.02/53,720.03 = 15,818.48/x
  3. Step 3: Cross multiply
    35,809.02x = 53,720.03 × 15,818.48
  4. Step 4: Simplify right side
    35,809.02x = 849,769,220.15
  5. Step 5: Solve for x
    x = 849,769,220.15/35,809.02
  6. Step 6: Final answer
    x = 23,730.59

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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.