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Finding the Fourth Proportional to 32,600.70, 48,901.05 and 12,869.10

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Solution

The fourth proportional to 32,600.70, 48,901.05 and 12,869.10 is: 19,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,600.70 : 48,901.05 = 12,869.10 : x
  2. Step 2: Convert to fraction form
    32,600.70/48,901.05 = 12,869.10/x
  3. Step 3: Cross multiply
    32,600.70x = 48,901.05 × 12,869.10
  4. Step 4: Simplify right side
    32,600.70x = 629,312,502.56
  5. Step 5: Solve for x
    x = 629,312,502.56/32,600.70
  6. Step 6: Final answer
    x = 19,303.65

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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.