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Finding the Fourth Proportional to 32,124.88, 48,148.44 and 13,618

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Solution

The fourth proportional to 32,124.88, 48,148.44 and 13,618 is: 20,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,124.88 : 48,148.44 = 13,618 : x
  2. Step 2: Convert to fraction form
    32,124.88/48,148.44 = 13,618/x
  3. Step 3: Cross multiply
    32,124.88x = 48,148.44 × 13,618
  4. Step 4: Simplify right side
    32,124.88x = 655,685,455.92
  5. Step 5: Solve for x
    x = 655,685,455.92/32,124.88
  6. Step 6: Final answer
    x = 20,410.52

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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.