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Finding the Fourth Proportional to 35,455.07, 48,929.03 and 19,540.55

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Solution

The fourth proportional to 35,455.07, 48,929.03 and 19,540.55 is: 26,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.07 : 48,929.03 = 19,540.55 : x
  2. Step 2: Convert to fraction form
    35,455.07/48,929.03 = 19,540.55/x
  3. Step 3: Cross multiply
    35,455.07x = 48,929.03 × 19,540.55
  4. Step 4: Simplify right side
    35,455.07x = 956,100,157.17
  5. Step 5: Solve for x
    x = 956,100,157.17/35,455.07
  6. Step 6: Final answer
    x = 26,966.53

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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.