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Finding the Fourth Proportional to 35,489.41, 48,973.62 and 19,572.91

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Solution

The fourth proportional to 35,489.41, 48,973.62 and 19,572.91 is: 27,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.41 : 48,973.62 = 19,572.91 : x
  2. Step 2: Convert to fraction form
    35,489.41/48,973.62 = 19,572.91/x
  3. Step 3: Cross multiply
    35,489.41x = 48,973.62 × 19,572.91
  4. Step 4: Simplify right side
    35,489.41x = 958,556,256.63
  5. Step 5: Solve for x
    x = 958,556,256.63/35,489.41
  6. Step 6: Final answer
    x = 27,009.64

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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.