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Finding the Fourth Proportional to 25,957.34, 35,820.92 and 14,630.48

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Solution

The fourth proportional to 25,957.34, 35,820.92 and 14,630.48 is: 20,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957.34 : 35,820.92 = 14,630.48 : x
  2. Step 2: Convert to fraction form
    25,957.34/35,820.92 = 14,630.48/x
  3. Step 3: Cross multiply
    25,957.34x = 35,820.92 × 14,630.48
  4. Step 4: Simplify right side
    25,957.34x = 524,077,253.64
  5. Step 5: Solve for x
    x = 524,077,253.64/25,957.34
  6. Step 6: Final answer
    x = 20,189.94

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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.