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Finding the Fourth Proportional to 16,357.05, 22,570.00 and 9,641.77

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Solution

The fourth proportional to 16,357.05, 22,570.00 and 9,641.77 is: 13,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,357.05 : 22,570.00 = 9,641.77 : x
  2. Step 2: Convert to fraction form
    16,357.05/22,570.00 = 9,641.77/x
  3. Step 3: Cross multiply
    16,357.05x = 22,570.00 × 9,641.77
  4. Step 4: Simplify right side
    16,357.05x = 217,614,668.37
  5. Step 5: Solve for x
    x = 217,614,668.37/16,357.05
  6. Step 6: Final answer
    x = 13,304.03

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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.