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Finding the Fourth Proportional to 35,650.98, 53,479.44 and 11,957.40

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Solution

The fourth proportional to 35,650.98, 53,479.44 and 11,957.40 is: 17,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,650.98 : 53,479.44 = 11,957.40 : x
  2. Step 2: Convert to fraction form
    35,650.98/53,479.44 = 11,957.40/x
  3. Step 3: Cross multiply
    35,650.98x = 53,479.44 × 11,957.40
  4. Step 4: Simplify right side
    35,650.98x = 639,475,055.86
  5. Step 5: Solve for x
    x = 639,475,055.86/35,650.98
  6. Step 6: Final answer
    x = 17,937.10

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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.