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Finding the Fourth Proportional to 17,739.30, 24,475.87 and 11,688.87

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Solution

The fourth proportional to 17,739.30, 24,475.87 and 11,688.87 is: 16,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.30 : 24,475.87 = 11,688.87 : x
  2. Step 2: Convert to fraction form
    17,739.30/24,475.87 = 11,688.87/x
  3. Step 3: Cross multiply
    17,739.30x = 24,475.87 × 11,688.87
  4. Step 4: Simplify right side
    17,739.30x = 286,095,368.96
  5. Step 5: Solve for x
    x = 286,095,368.96/17,739.30
  6. Step 6: Final answer
    x = 16,127.77

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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.