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Finding the Fourth Proportional to 21,637.46, 32,459.47 and 6,841.46

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Solution

The fourth proportional to 21,637.46, 32,459.47 and 6,841.46 is: 10,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.46 : 32,459.47 = 6,841.46 : x
  2. Step 2: Convert to fraction form
    21,637.46/32,459.47 = 6,841.46/x
  3. Step 3: Cross multiply
    21,637.46x = 32,459.47 × 6,841.46
  4. Step 4: Simplify right side
    21,637.46x = 222,070,165.63
  5. Step 5: Solve for x
    x = 222,070,165.63/21,637.46
  6. Step 6: Final answer
    x = 10,263.23

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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.