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Finding the Fourth Proportional to 19,994.60, 29,952.30 and 17,532.20

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Solution

The fourth proportional to 19,994.60, 29,952.30 and 17,532.20 is: 26,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.60 : 29,952.30 = 17,532.20 : x
  2. Step 2: Convert to fraction form
    19,994.60/29,952.30 = 17,532.20/x
  3. Step 3: Cross multiply
    19,994.60x = 29,952.30 × 17,532.20
  4. Step 4: Simplify right side
    19,994.60x = 525,129,714.06
  5. Step 5: Solve for x
    x = 525,129,714.06/19,994.60
  6. Step 6: Final answer
    x = 26,263.58

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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.