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Finding the Fourth Proportional to 35,973.72, 53,984.54 and 12,600.12

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Solution

The fourth proportional to 35,973.72, 53,984.54 and 12,600.12 is: 18,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.72 : 53,984.54 = 12,600.12 : x
  2. Step 2: Convert to fraction form
    35,973.72/53,984.54 = 12,600.12/x
  3. Step 3: Cross multiply
    35,973.72x = 53,984.54 × 12,600.12
  4. Step 4: Simplify right side
    35,973.72x = 680,211,682.14
  5. Step 5: Solve for x
    x = 680,211,682.14/35,973.72
  6. Step 6: Final answer
    x = 18,908.57

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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.