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Finding the Fourth Proportional to 32,682.60, 48,931.83 and 20,807.19

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Solution

The fourth proportional to 32,682.60, 48,931.83 and 20,807.19 is: 31,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.60 : 48,931.83 = 20,807.19 : x
  2. Step 2: Convert to fraction form
    32,682.60/48,931.83 = 20,807.19/x
  3. Step 3: Cross multiply
    32,682.60x = 48,931.83 × 20,807.19
  4. Step 4: Simplify right side
    32,682.60x = 1,018,133,883.86
  5. Step 5: Solve for x
    x = 1,018,133,883.86/32,682.60
  6. Step 6: Final answer
    x = 31,152.17

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1.5x scale

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.