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Finding the Fourth Proportional to 17,881.81, 24,669.18 and 10,804.13

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Solution

The fourth proportional to 17,881.81, 24,669.18 and 10,804.13 is: 14,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.81 : 24,669.18 = 10,804.13 : x
  2. Step 2: Convert to fraction form
    17,881.81/24,669.18 = 10,804.13/x
  3. Step 3: Cross multiply
    17,881.81x = 24,669.18 × 10,804.13
  4. Step 4: Simplify right side
    17,881.81x = 266,528,904.37
  5. Step 5: Solve for x
    x = 266,528,904.37/17,881.81
  6. Step 6: Final answer
    x = 14,905.03

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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.