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Finding the Fourth Proportional to 37,574.64, 51,862.32 and 21,668.64

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Solution

The fourth proportional to 37,574.64, 51,862.32 and 21,668.64 is: 29,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,574.64 : 51,862.32 = 21,668.64 : x
  2. Step 2: Convert to fraction form
    37,574.64/51,862.32 = 21,668.64/x
  3. Step 3: Cross multiply
    37,574.64x = 51,862.32 × 21,668.64
  4. Step 4: Simplify right side
    37,574.64x = 1,123,785,941.64
  5. Step 5: Solve for x
    x = 1,123,785,941.64/37,574.64
  6. Step 6: Final answer
    x = 29,908.10

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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.