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Finding the Fourth Proportional to 17,818.93, 24,588 and 9,860.08

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Solution

The fourth proportional to 17,818.93, 24,588 and 9,860.08 is: 13,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.93 : 24,588 = 9,860.08 : x
  2. Step 2: Convert to fraction form
    17,818.93/24,588 = 9,860.08/x
  3. Step 3: Cross multiply
    17,818.93x = 24,588 × 9,860.08
  4. Step 4: Simplify right side
    17,818.93x = 242,439,647.04
  5. Step 5: Solve for x
    x = 242,439,647.04/17,818.93
  6. Step 6: Final answer
    x = 13,605.74

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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.