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Finding the Fourth Proportional to 60,684.25, 91,041.74 and 16,908.25

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Solution

The fourth proportional to 60,684.25, 91,041.74 and 16,908.25 is: 25,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,684.25 : 91,041.74 = 16,908.25 : x
  2. Step 2: Convert to fraction form
    60,684.25/91,041.74 = 16,908.25/x
  3. Step 3: Cross multiply
    60,684.25x = 91,041.74 × 16,908.25
  4. Step 4: Simplify right side
    60,684.25x = 1,539,356,415.81
  5. Step 5: Solve for x
    x = 1,539,356,415.81/60,684.25
  6. Step 6: Final answer
    x = 25,366.65

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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.