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Finding the Fourth Proportional to 32,661.48, 48,995.46 and 12,953.64

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Solution

The fourth proportional to 32,661.48, 48,995.46 and 12,953.64 is: 19,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.48 : 48,995.46 = 12,953.64 : x
  2. Step 2: Convert to fraction form
    32,661.48/48,995.46 = 12,953.64/x
  3. Step 3: Cross multiply
    32,661.48x = 48,995.46 × 12,953.64
  4. Step 4: Simplify right side
    32,661.48x = 634,669,550.47
  5. Step 5: Solve for x
    x = 634,669,550.47/32,661.48
  6. Step 6: Final answer
    x = 19,431.74

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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.