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Finding the Fourth Proportional to 32,885.40, 49,331.70 and 31,848.60

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Solution

The fourth proportional to 32,885.40, 49,331.70 and 31,848.60 is: 47,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.40 : 49,331.70 = 31,848.60 : x
  2. Step 2: Convert to fraction form
    32,885.40/49,331.70 = 31,848.60/x
  3. Step 3: Cross multiply
    32,885.40x = 49,331.70 × 31,848.60
  4. Step 4: Simplify right side
    32,885.40x = 1,571,145,580.62
  5. Step 5: Solve for x
    x = 1,571,145,580.62/32,885.40
  6. Step 6: Final answer
    x = 47,776.39

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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.