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Finding the Fourth Proportional to 13,797.81, 19,004.71 and 10,605.00

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Solution

The fourth proportional to 13,797.81, 19,004.71 and 10,605.00 is: 14,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.81 : 19,004.71 = 10,605.00 : x
  2. Step 2: Convert to fraction form
    13,797.81/19,004.71 = 10,605.00/x
  3. Step 3: Cross multiply
    13,797.81x = 19,004.71 × 10,605.00
  4. Step 4: Simplify right side
    13,797.81x = 201,545,045.57
  5. Step 5: Solve for x
    x = 201,545,045.57/13,797.81
  6. Step 6: Final answer
    x = 14,607.03

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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.