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Finding the Fourth Proportional to 24,491.60, 36,737.40 and 12,808.40

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Solution

The fourth proportional to 24,491.60, 36,737.40 and 12,808.40 is: 19,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,491.60 : 36,737.40 = 12,808.40 : x
  2. Step 2: Convert to fraction form
    24,491.60/36,737.40 = 12,808.40/x
  3. Step 3: Cross multiply
    24,491.60x = 36,737.40 × 12,808.40
  4. Step 4: Simplify right side
    24,491.60x = 470,547,314.16
  5. Step 5: Solve for x
    x = 470,547,314.16/24,491.60
  6. Step 6: Final answer
    x = 19,212.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.