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Finding the Fourth Proportional to 32,521.64, 48,748.98 and 12,792.20

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Solution

The fourth proportional to 32,521.64, 48,748.98 and 12,792.20 is: 19,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,521.64 : 48,748.98 = 12,792.20 : x
  2. Step 2: Convert to fraction form
    32,521.64/48,748.98 = 12,792.20/x
  3. Step 3: Cross multiply
    32,521.64x = 48,748.98 × 12,792.20
  4. Step 4: Simplify right side
    32,521.64x = 623,606,701.96
  5. Step 5: Solve for x
    x = 623,606,701.96/32,521.64
  6. Step 6: Final answer
    x = 19,175.13

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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.