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Finding the Fourth Proportional to 16,357.76, 22,574.08 and 9,283.52

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Solution

The fourth proportional to 16,357.76, 22,574.08 and 9,283.52 is: 12,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,357.76 : 22,574.08 = 9,283.52 : x
  2. Step 2: Convert to fraction form
    16,357.76/22,574.08 = 9,283.52/x
  3. Step 3: Cross multiply
    16,357.76x = 22,574.08 × 9,283.52
  4. Step 4: Simplify right side
    16,357.76x = 209,566,923.16
  5. Step 5: Solve for x
    x = 209,566,923.16/16,357.76
  6. Step 6: Final answer
    x = 12,811.47

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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.