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Finding the Fourth Proportional to 17,646.94, 26,471.04 and 8,877.07

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Solution

The fourth proportional to 17,646.94, 26,471.04 and 8,877.07 is: 13,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,646.94 : 26,471.04 = 8,877.07 : x
  2. Step 2: Convert to fraction form
    17,646.94/26,471.04 = 8,877.07/x
  3. Step 3: Cross multiply
    17,646.94x = 26,471.04 × 8,877.07
  4. Step 4: Simplify right side
    17,646.94x = 234,985,275.05
  5. Step 5: Solve for x
    x = 234,985,275.05/17,646.94
  6. Step 6: Final answer
    x = 13,315.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.