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Finding the Fourth Proportional to 35,499.48, 48,988.80 and 19,583.88

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Solution

The fourth proportional to 35,499.48, 48,988.80 and 19,583.88 is: 27,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,499.48 : 48,988.80 = 19,583.88 : x
  2. Step 2: Convert to fraction form
    35,499.48/48,988.80 = 19,583.88/x
  3. Step 3: Cross multiply
    35,499.48x = 48,988.80 × 19,583.88
  4. Step 4: Simplify right side
    35,499.48x = 959,390,780.54
  5. Step 5: Solve for x
    x = 959,390,780.54/35,499.48
  6. Step 6: Final answer
    x = 27,025.49

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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.