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Finding the Fourth Proportional to 43,695.72, 60,275.75 and 30,274.83

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Solution

The fourth proportional to 43,695.72, 60,275.75 and 30,274.83 is: 41,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.72 : 60,275.75 = 30,274.83 : x
  2. Step 2: Convert to fraction form
    43,695.72/60,275.75 = 30,274.83/x
  3. Step 3: Cross multiply
    43,695.72x = 60,275.75 × 30,274.83
  4. Step 4: Simplify right side
    43,695.72x = 1,824,837,933.00
  5. Step 5: Solve for x
    x = 1,824,837,933.00/43,695.72
  6. Step 6: Final answer
    x = 41,762.40

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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.