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Finding the Fourth Proportional to 22,420.41, 33,607.54 and 9,946.30

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Solution

The fourth proportional to 22,420.41, 33,607.54 and 9,946.30 is: 14,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.41 : 33,607.54 = 9,946.30 : x
  2. Step 2: Convert to fraction form
    22,420.41/33,607.54 = 9,946.30/x
  3. Step 3: Cross multiply
    22,420.41x = 33,607.54 × 9,946.30
  4. Step 4: Simplify right side
    22,420.41x = 334,270,675.10
  5. Step 5: Solve for x
    x = 334,270,675.10/22,420.41
  6. Step 6: Final answer
    x = 14,909.21

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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.