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Finding the Fourth Proportional to 43,782.81, 60,421.76 and 25,893.15

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Solution

The fourth proportional to 43,782.81, 60,421.76 and 25,893.15 is: 35,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.81 : 60,421.76 = 25,893.15 : x
  2. Step 2: Convert to fraction form
    43,782.81/60,421.76 = 25,893.15/x
  3. Step 3: Cross multiply
    43,782.81x = 60,421.76 × 25,893.15
  4. Step 4: Simplify right side
    43,782.81x = 1,564,509,263.37
  5. Step 5: Solve for x
    x = 1,564,509,263.37/43,782.81
  6. Step 6: Final answer
    x = 35,733.42

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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.