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Finding the Fourth Proportional to 32,967.93, 45,495.50 and 18,820.74

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Solution

The fourth proportional to 32,967.93, 45,495.50 and 18,820.74 is: 25,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,967.93 : 45,495.50 = 18,820.74 : x
  2. Step 2: Convert to fraction form
    32,967.93/45,495.50 = 18,820.74/x
  3. Step 3: Cross multiply
    32,967.93x = 45,495.50 × 18,820.74
  4. Step 4: Simplify right side
    32,967.93x = 856,258,976.67
  5. Step 5: Solve for x
    x = 856,258,976.67/32,967.93
  6. Step 6: Final answer
    x = 25,972.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.