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Finding the Fourth Proportional to 17,798.57, 24,561.04 and 9,840.32

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Solution

The fourth proportional to 17,798.57, 24,561.04 and 9,840.32 is: 13,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.57 : 24,561.04 = 9,840.32 : x
  2. Step 2: Convert to fraction form
    17,798.57/24,561.04 = 9,840.32/x
  3. Step 3: Cross multiply
    17,798.57x = 24,561.04 × 9,840.32
  4. Step 4: Simplify right side
    17,798.57x = 241,688,493.13
  5. Step 5: Solve for x
    x = 241,688,493.13/17,798.57
  6. Step 6: Final answer
    x = 13,579.10

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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.