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Finding the Fourth Proportional to 32,666.52, 48,980.40 and 13,936.98

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Solution

The fourth proportional to 32,666.52, 48,980.40 and 13,936.98 is: 20,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.52 : 48,980.40 = 13,936.98 : x
  2. Step 2: Convert to fraction form
    32,666.52/48,980.40 = 13,936.98/x
  3. Step 3: Cross multiply
    32,666.52x = 48,980.40 × 13,936.98
  4. Step 4: Simplify right side
    32,666.52x = 682,638,855.19
  5. Step 5: Solve for x
    x = 682,638,855.19/32,666.52
  6. Step 6: Final answer
    x = 20,897.20

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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.