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Finding the Fourth Proportional to 53,232.64, 79,862.64 and 19,953.16

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Solution

The fourth proportional to 53,232.64, 79,862.64 and 19,953.16 is: 29,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,232.64 : 79,862.64 = 19,953.16 : x
  2. Step 2: Convert to fraction form
    53,232.64/79,862.64 = 19,953.16/x
  3. Step 3: Cross multiply
    53,232.64x = 79,862.64 × 19,953.16
  4. Step 4: Simplify right side
    53,232.64x = 1,593,512,033.94
  5. Step 5: Solve for x
    x = 1,593,512,033.94/53,232.64
  6. Step 6: Final answer
    x = 29,934.87

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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.