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Finding the Fourth Proportional to 17,485.88, 24,130.80 and 9,528.44

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Solution

The fourth proportional to 17,485.88, 24,130.80 and 9,528.44 is: 13,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.88 : 24,130.80 = 9,528.44 : x
  2. Step 2: Convert to fraction form
    17,485.88/24,130.80 = 9,528.44/x
  3. Step 3: Cross multiply
    17,485.88x = 24,130.80 × 9,528.44
  4. Step 4: Simplify right side
    17,485.88x = 229,928,879.95
  5. Step 5: Solve for x
    x = 229,928,879.95/17,485.88
  6. Step 6: Final answer
    x = 13,149.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.