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Finding the Fourth Proportional to 21,703.04, 32,546.04 and 7,660.07

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Solution

The fourth proportional to 21,703.04, 32,546.04 and 7,660.07 is: 11,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.04 : 32,546.04 = 7,660.07 : x
  2. Step 2: Convert to fraction form
    21,703.04/32,546.04 = 7,660.07/x
  3. Step 3: Cross multiply
    21,703.04x = 32,546.04 × 7,660.07
  4. Step 4: Simplify right side
    21,703.04x = 249,304,781.89
  5. Step 5: Solve for x
    x = 249,304,781.89/21,703.04
  6. Step 6: Final answer
    x = 11,487.09

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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.