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Finding the Fourth Proportional to 17,700.66, 24,426.32 and 9,742.77

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Solution

The fourth proportional to 17,700.66, 24,426.32 and 9,742.77 is: 13,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.66 : 24,426.32 = 9,742.77 : x
  2. Step 2: Convert to fraction form
    17,700.66/24,426.32 = 9,742.77/x
  3. Step 3: Cross multiply
    17,700.66x = 24,426.32 × 9,742.77
  4. Step 4: Simplify right side
    17,700.66x = 237,979,968.99
  5. Step 5: Solve for x
    x = 237,979,968.99/17,700.66
  6. Step 6: Final answer
    x = 13,444.69

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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.