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Finding the Fourth Proportional to 27,944.16, 38,562.16 and 15,368.91

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Solution

The fourth proportional to 27,944.16, 38,562.16 and 15,368.91 is: 21,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,944.16 : 38,562.16 = 15,368.91 : x
  2. Step 2: Convert to fraction form
    27,944.16/38,562.16 = 15,368.91/x
  3. Step 3: Cross multiply
    27,944.16x = 38,562.16 × 15,368.91
  4. Step 4: Simplify right side
    27,944.16x = 592,658,366.45
  5. Step 5: Solve for x
    x = 592,658,366.45/27,944.16
  6. Step 6: Final answer
    x = 21,208.67

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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.