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Finding the Fourth Proportional to 32,609.54, 48,904.52 and 12,615.50

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Solution

The fourth proportional to 32,609.54, 48,904.52 and 12,615.50 is: 18,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,609.54 : 48,904.52 = 12,615.50 : x
  2. Step 2: Convert to fraction form
    32,609.54/48,904.52 = 12,615.50/x
  3. Step 3: Cross multiply
    32,609.54x = 48,904.52 × 12,615.50
  4. Step 4: Simplify right side
    32,609.54x = 616,955,031.24
  5. Step 5: Solve for x
    x = 616,955,031.24/32,609.54
  6. Step 6: Final answer
    x = 18,919.46

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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.