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Finding the Fourth Proportional to 14,170.77, 19,555.14 and 7,883.01

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Solution

The fourth proportional to 14,170.77, 19,555.14 and 7,883.01 is: 10,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.77 : 19,555.14 = 7,883.01 : x
  2. Step 2: Convert to fraction form
    14,170.77/19,555.14 = 7,883.01/x
  3. Step 3: Cross multiply
    14,170.77x = 19,555.14 × 7,883.01
  4. Step 4: Simplify right side
    14,170.77x = 154,153,364.17
  5. Step 5: Solve for x
    x = 154,153,364.17/14,170.77
  6. Step 6: Final answer
    x = 10,878.26

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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.