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Finding the Fourth Proportional to 17,761.64, 24,511.68 and 9,804.16

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Solution

The fourth proportional to 17,761.64, 24,511.68 and 9,804.16 is: 13,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.64 : 24,511.68 = 9,804.16 : x
  2. Step 2: Convert to fraction form
    17,761.64/24,511.68 = 9,804.16/x
  3. Step 3: Cross multiply
    17,761.64x = 24,511.68 × 9,804.16
  4. Step 4: Simplify right side
    17,761.64x = 240,316,432.59
  5. Step 5: Solve for x
    x = 240,316,432.59/17,761.64
  6. Step 6: Final answer
    x = 13,530.08

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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.