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Finding the Fourth Proportional to 80,405.39, 110,967.50 and 44,602.35

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Solution

The fourth proportional to 80,405.39, 110,967.50 and 44,602.35 is: 61,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,405.39 : 110,967.50 = 44,602.35 : x
  2. Step 2: Convert to fraction form
    80,405.39/110,967.50 = 44,602.35/x
  3. Step 3: Cross multiply
    80,405.39x = 110,967.50 × 44,602.35
  4. Step 4: Simplify right side
    80,405.39x = 4,949,411,385.13
  5. Step 5: Solve for x
    x = 4,949,411,385.13/80,405.39
  6. Step 6: Final answer
    x = 61,555.72

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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.