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Finding the Fourth Proportional to 32,415.18, 48,603.32 and 12,670.21

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Solution

The fourth proportional to 32,415.18, 48,603.32 and 12,670.21 is: 18,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,415.18 : 48,603.32 = 12,670.21 : x
  2. Step 2: Convert to fraction form
    32,415.18/48,603.32 = 12,670.21/x
  3. Step 3: Cross multiply
    32,415.18x = 48,603.32 × 12,670.21
  4. Step 4: Simplify right side
    32,415.18x = 615,814,271.10
  5. Step 5: Solve for x
    x = 615,814,271.10/32,415.18
  6. Step 6: Final answer
    x = 18,997.71

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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.