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Finding the Fourth Proportional to 32,608.84, 45,000.22 and 18,461.70

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Solution

The fourth proportional to 32,608.84, 45,000.22 and 18,461.70 is: 25,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.84 : 45,000.22 = 18,461.70 : x
  2. Step 2: Convert to fraction form
    32,608.84/45,000.22 = 18,461.70/x
  3. Step 3: Cross multiply
    32,608.84x = 45,000.22 × 18,461.70
  4. Step 4: Simplify right side
    32,608.84x = 830,780,561.57
  5. Step 5: Solve for x
    x = 830,780,561.57/32,608.84
  6. Step 6: Final answer
    x = 25,477.16

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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.