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Finding the Fourth Proportional to 35,871.52, 53,807.76 and 13,695.04

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Solution

The fourth proportional to 35,871.52, 53,807.76 and 13,695.04 is: 20,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.52 : 53,807.76 = 13,695.04 : x
  2. Step 2: Convert to fraction form
    35,871.52/53,807.76 = 13,695.04/x
  3. Step 3: Cross multiply
    35,871.52x = 53,807.76 × 13,695.04
  4. Step 4: Simplify right side
    35,871.52x = 736,899,425.51
  5. Step 5: Solve for x
    x = 736,899,425.51/35,871.52
  6. Step 6: Final answer
    x = 20,542.74

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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.