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Finding the Fourth Proportional to 14,085.46, 19,437.91 and 7,797.88

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Solution

The fourth proportional to 14,085.46, 19,437.91 and 7,797.88 is: 10,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.46 : 19,437.91 = 7,797.88 : x
  2. Step 2: Convert to fraction form
    14,085.46/19,437.91 = 7,797.88/x
  3. Step 3: Cross multiply
    14,085.46x = 19,437.91 × 7,797.88
  4. Step 4: Simplify right side
    14,085.46x = 151,574,489.63
  5. Step 5: Solve for x
    x = 151,574,489.63/14,085.46
  6. Step 6: Final answer
    x = 10,761.06

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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.