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Finding the Fourth Proportional to 53,392.88, 80,088.24 and 15,953.06

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Solution

The fourth proportional to 53,392.88, 80,088.24 and 15,953.06 is: 23,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,392.88 : 80,088.24 = 15,953.06 : x
  2. Step 2: Convert to fraction form
    53,392.88/80,088.24 = 15,953.06/x
  3. Step 3: Cross multiply
    53,392.88x = 80,088.24 × 15,953.06
  4. Step 4: Simplify right side
    53,392.88x = 1,277,652,498.01
  5. Step 5: Solve for x
    x = 1,277,652,498.01/53,392.88
  6. Step 6: Final answer
    x = 23,929.27

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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.