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Finding the Fourth Proportional to 17,048.80, 25,573.20 and 14,424.40

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Solution

The fourth proportional to 17,048.80, 25,573.20 and 14,424.40 is: 21,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,048.80 : 25,573.20 = 14,424.40 : x
  2. Step 2: Convert to fraction form
    17,048.80/25,573.20 = 14,424.40/x
  3. Step 3: Cross multiply
    17,048.80x = 25,573.20 × 14,424.40
  4. Step 4: Simplify right side
    17,048.80x = 368,878,066.08
  5. Step 5: Solve for x
    x = 368,878,066.08/17,048.80
  6. Step 6: Final answer
    x = 21,636.60

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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.