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Finding the Fourth Proportional to 35,408.61, 48,848.27 and 21,952.89

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Solution

The fourth proportional to 35,408.61, 48,848.27 and 21,952.89 is: 30,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.61 : 48,848.27 = 21,952.89 : x
  2. Step 2: Convert to fraction form
    35,408.61/48,848.27 = 21,952.89/x
  3. Step 3: Cross multiply
    35,408.61x = 48,848.27 × 21,952.89
  4. Step 4: Simplify right side
    35,408.61x = 1,072,360,588.24
  5. Step 5: Solve for x
    x = 1,072,360,588.24/35,408.61
  6. Step 6: Final answer
    x = 30,285.31

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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.