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Finding the Fourth Proportional to 32,699.76, 45,113.52 and 19,948.56

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Solution

The fourth proportional to 32,699.76, 45,113.52 and 19,948.56 is: 27,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.76 : 45,113.52 = 19,948.56 : x
  2. Step 2: Convert to fraction form
    32,699.76/45,113.52 = 19,948.56/x
  3. Step 3: Cross multiply
    32,699.76x = 45,113.52 × 19,948.56
  4. Step 4: Simplify right side
    32,699.76x = 899,949,760.53
  5. Step 5: Solve for x
    x = 899,949,760.53/32,699.76
  6. Step 6: Final answer
    x = 27,521.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.