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Finding the Fourth Proportional to 32,817.76, 45,295.28 and 21,347.00

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Solution

The fourth proportional to 32,817.76, 45,295.28 and 21,347.00 is: 29,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,817.76 : 45,295.28 = 21,347.00 : x
  2. Step 2: Convert to fraction form
    32,817.76/45,295.28 = 21,347.00/x
  3. Step 3: Cross multiply
    32,817.76x = 45,295.28 × 21,347.00
  4. Step 4: Simplify right side
    32,817.76x = 966,918,230.67
  5. Step 5: Solve for x
    x = 966,918,230.67/32,817.76
  6. Step 6: Final answer
    x = 29,463.26

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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.