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Finding the Fourth Proportional to 18,864.52, 26,041.01 and 12,733.55

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Solution

The fourth proportional to 18,864.52, 26,041.01 and 12,733.55 is: 17,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.52 : 26,041.01 = 12,733.55 : x
  2. Step 2: Convert to fraction form
    18,864.52/26,041.01 = 12,733.55/x
  3. Step 3: Cross multiply
    18,864.52x = 26,041.01 × 12,733.55
  4. Step 4: Simplify right side
    18,864.52x = 331,594,502.89
  5. Step 5: Solve for x
    x = 331,594,502.89/18,864.52
  6. Step 6: Final answer
    x = 17,577.68

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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.