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Finding the Fourth Proportional to 45,602.83, 68,374.63 and 18,941.50

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Solution

The fourth proportional to 45,602.83, 68,374.63 and 18,941.50 is: 28,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,602.83 : 68,374.63 = 18,941.50 : x
  2. Step 2: Convert to fraction form
    45,602.83/68,374.63 = 18,941.50/x
  3. Step 3: Cross multiply
    45,602.83x = 68,374.63 × 18,941.50
  4. Step 4: Simplify right side
    45,602.83x = 1,295,118,054.15
  5. Step 5: Solve for x
    x = 1,295,118,054.15/45,602.83
  6. Step 6: Final answer
    x = 28,399.95

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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.