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Finding the Fourth Proportional to 32,081.63, 48,130.65 and 13,355.44

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Solution

The fourth proportional to 32,081.63, 48,130.65 and 13,355.44 is: 20,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,081.63 : 48,130.65 = 13,355.44 : x
  2. Step 2: Convert to fraction form
    32,081.63/48,130.65 = 13,355.44/x
  3. Step 3: Cross multiply
    32,081.63x = 48,130.65 × 13,355.44
  4. Step 4: Simplify right side
    32,081.63x = 642,806,008.24
  5. Step 5: Solve for x
    x = 642,806,008.24/32,081.63
  6. Step 6: Final answer
    x = 20,036.58

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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.