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Finding the Fourth Proportional to 51,674.96, 77,440.28 and 27,931.34

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Solution

The fourth proportional to 51,674.96, 77,440.28 and 27,931.34 is: 41,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,674.96 : 77,440.28 = 27,931.34 : x
  2. Step 2: Convert to fraction form
    51,674.96/77,440.28 = 27,931.34/x
  3. Step 3: Cross multiply
    51,674.96x = 77,440.28 × 27,931.34
  4. Step 4: Simplify right side
    51,674.96x = 2,163,010,263.52
  5. Step 5: Solve for x
    x = 2,163,010,263.52/51,674.96
  6. Step 6: Final answer
    x = 41,858.00

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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.