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Finding the Fourth Proportional to 32,663.48, 48,998.46 and 12,955.64

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Solution

The fourth proportional to 32,663.48, 48,998.46 and 12,955.64 is: 19,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,663.48 : 48,998.46 = 12,955.64 : x
  2. Step 2: Convert to fraction form
    32,663.48/48,998.46 = 12,955.64/x
  3. Step 3: Cross multiply
    32,663.48x = 48,998.46 × 12,955.64
  4. Step 4: Simplify right side
    32,663.48x = 634,806,408.31
  5. Step 5: Solve for x
    x = 634,806,408.31/32,663.48
  6. Step 6: Final answer
    x = 19,434.75

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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.