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Finding the Fourth Proportional to 75,810.54, 104,627.58 and 43,980.50

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Solution

The fourth proportional to 75,810.54, 104,627.58 and 43,980.50 is: 60,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,810.54 : 104,627.58 = 43,980.50 : x
  2. Step 2: Convert to fraction form
    75,810.54/104,627.58 = 43,980.50/x
  3. Step 3: Cross multiply
    75,810.54x = 104,627.58 × 43,980.50
  4. Step 4: Simplify right side
    75,810.54x = 4,601,573,282.19
  5. Step 5: Solve for x
    x = 4,601,573,282.19/75,810.54
  6. Step 6: Final answer
    x = 60,698.33

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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.