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Finding the Fourth Proportional to 18,833.49, 28,250.37 and 8,700.93

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Solution

The fourth proportional to 18,833.49, 28,250.37 and 8,700.93 is: 13,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.49 : 28,250.37 = 8,700.93 : x
  2. Step 2: Convert to fraction form
    18,833.49/28,250.37 = 8,700.93/x
  3. Step 3: Cross multiply
    18,833.49x = 28,250.37 × 8,700.93
  4. Step 4: Simplify right side
    18,833.49x = 245,804,491.84
  5. Step 5: Solve for x
    x = 245,804,491.84/18,833.49
  6. Step 6: Final answer
    x = 13,051.46

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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.