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Finding the Fourth Proportional to 27,038.56, 40,459.16 and 15,950.56

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Solution

The fourth proportional to 27,038.56, 40,459.16 and 15,950.56 is: 23,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.56 : 40,459.16 = 15,950.56 : x
  2. Step 2: Convert to fraction form
    27,038.56/40,459.16 = 15,950.56/x
  3. Step 3: Cross multiply
    27,038.56x = 40,459.16 × 15,950.56
  4. Step 4: Simplify right side
    27,038.56x = 645,346,259.13
  5. Step 5: Solve for x
    x = 645,346,259.13/27,038.56
  6. Step 6: Final answer
    x = 23,867.63

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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.