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Finding the Fourth Proportional to 27,079.58, 40,602.06 and 13,011.61

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Solution

The fourth proportional to 27,079.58, 40,602.06 and 13,011.61 is: 19,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.58 : 40,602.06 = 13,011.61 : x
  2. Step 2: Convert to fraction form
    27,079.58/40,602.06 = 13,011.61/x
  3. Step 3: Cross multiply
    27,079.58x = 40,602.06 × 13,011.61
  4. Step 4: Simplify right side
    27,079.58x = 528,298,169.92
  5. Step 5: Solve for x
    x = 528,298,169.92/27,079.58
  6. Step 6: Final answer
    x = 19,509.10

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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.