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Finding the Fourth Proportional to 35,349.76, 53,042.80 and 19,551.88

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Solution

The fourth proportional to 35,349.76, 53,042.80 and 19,551.88 is: 29,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.76 : 53,042.80 = 19,551.88 : x
  2. Step 2: Convert to fraction form
    35,349.76/53,042.80 = 19,551.88/x
  3. Step 3: Cross multiply
    35,349.76x = 53,042.80 × 19,551.88
  4. Step 4: Simplify right side
    35,349.76x = 1,037,086,460.46
  5. Step 5: Solve for x
    x = 1,037,086,460.46/35,349.76
  6. Step 6: Final answer
    x = 29,337.86

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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.