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Finding the Fourth Proportional to 17,853, 24,626.88 and 11,135.40

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Solution

The fourth proportional to 17,853, 24,626.88 and 11,135.40 is: 15,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853 : 24,626.88 = 11,135.40 : x
  2. Step 2: Convert to fraction form
    17,853/24,626.88 = 11,135.40/x
  3. Step 3: Cross multiply
    17,853x = 24,626.88 × 11,135.40
  4. Step 4: Simplify right side
    17,853x = 274,230,159.55
  5. Step 5: Solve for x
    x = 274,230,159.55/17,853
  6. Step 6: Final answer
    x = 15,360.45

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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.