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Finding the Fourth Proportional to 21,659.63, 32,502.40 and 9,347.63

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Solution

The fourth proportional to 21,659.63, 32,502.40 and 9,347.63 is: 14,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.63 : 32,502.40 = 9,347.63 : x
  2. Step 2: Convert to fraction form
    21,659.63/32,502.40 = 9,347.63/x
  3. Step 3: Cross multiply
    21,659.63x = 32,502.40 × 9,347.63
  4. Step 4: Simplify right side
    21,659.63x = 303,820,223.43
  5. Step 5: Solve for x
    x = 303,820,223.43/21,659.63
  6. Step 6: Final answer
    x = 14,027.03

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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.