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Finding the Fourth Proportional to 19,627.60, 29,441.40 and 17,477.20

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Solution

The fourth proportional to 19,627.60, 29,441.40 and 17,477.20 is: 26,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.60 : 29,441.40 = 17,477.20 : x
  2. Step 2: Convert to fraction form
    19,627.60/29,441.40 = 17,477.20/x
  3. Step 3: Cross multiply
    19,627.60x = 29,441.40 × 17,477.20
  4. Step 4: Simplify right side
    19,627.60x = 514,553,236.08
  5. Step 5: Solve for x
    x = 514,553,236.08/19,627.60
  6. Step 6: Final answer
    x = 26,215.80

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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.