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Finding the Fourth Proportional to 27,058.68, 40,586.40 and 11,259.72

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Solution

The fourth proportional to 27,058.68, 40,586.40 and 11,259.72 is: 16,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,058.68 : 40,586.40 = 11,259.72 : x
  2. Step 2: Convert to fraction form
    27,058.68/40,586.40 = 11,259.72/x
  3. Step 3: Cross multiply
    27,058.68x = 40,586.40 × 11,259.72
  4. Step 4: Simplify right side
    27,058.68x = 456,991,499.81
  5. Step 5: Solve for x
    x = 456,991,499.81/27,058.68
  6. Step 6: Final answer
    x = 16,888.91

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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.