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Finding the Fourth Proportional to 21,937.68, 32,977.88 and 17,602.64

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Solution

The fourth proportional to 21,937.68, 32,977.88 and 17,602.64 is: 26,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.68 : 32,977.88 = 17,602.64 : x
  2. Step 2: Convert to fraction form
    21,937.68/32,977.88 = 17,602.64/x
  3. Step 3: Cross multiply
    21,937.68x = 32,977.88 × 17,602.64
  4. Step 4: Simplify right side
    21,937.68x = 580,497,749.60
  5. Step 5: Solve for x
    x = 580,497,749.60/21,937.68
  6. Step 6: Final answer
    x = 26,461.22

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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.