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Finding the Fourth Proportional to 39,607.56, 54,657.74 and 23,485.74

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Solution

The fourth proportional to 39,607.56, 54,657.74 and 23,485.74 is: 32,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.56 : 54,657.74 = 23,485.74 : x
  2. Step 2: Convert to fraction form
    39,607.56/54,657.74 = 23,485.74/x
  3. Step 3: Cross multiply
    39,607.56x = 54,657.74 × 23,485.74
  4. Step 4: Simplify right side
    39,607.56x = 1,283,677,470.63
  5. Step 5: Solve for x
    x = 1,283,677,470.63/39,607.56
  6. Step 6: Final answer
    x = 32,409.91

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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.