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Finding the Fourth Proportional to 19,896.51, 29,844.90 and 9,476.67

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Solution

The fourth proportional to 19,896.51, 29,844.90 and 9,476.67 is: 14,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.51 : 29,844.90 = 9,476.67 : x
  2. Step 2: Convert to fraction form
    19,896.51/29,844.90 = 9,476.67/x
  3. Step 3: Cross multiply
    19,896.51x = 29,844.90 × 9,476.67
  4. Step 4: Simplify right side
    19,896.51x = 282,830,268.48
  5. Step 5: Solve for x
    x = 282,830,268.48/19,896.51
  6. Step 6: Final answer
    x = 14,215.07

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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.