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Finding the Fourth Proportional to 35,425.79, 48,887.18 and 19,509.89

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Solution

The fourth proportional to 35,425.79, 48,887.18 and 19,509.89 is: 26,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425.79 : 48,887.18 = 19,509.89 : x
  2. Step 2: Convert to fraction form
    35,425.79/48,887.18 = 19,509.89/x
  3. Step 3: Cross multiply
    35,425.79x = 48,887.18 × 19,509.89
  4. Step 4: Simplify right side
    35,425.79x = 953,783,504.21
  5. Step 5: Solve for x
    x = 953,783,504.21/35,425.79
  6. Step 6: Final answer
    x = 26,923.43

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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.