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Finding the Fourth Proportional to 40,967.10, 61,450.65 and 14,672.70

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Solution

The fourth proportional to 40,967.10, 61,450.65 and 14,672.70 is: 22,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,967.10 : 61,450.65 = 14,672.70 : x
  2. Step 2: Convert to fraction form
    40,967.10/61,450.65 = 14,672.70/x
  3. Step 3: Cross multiply
    40,967.10x = 61,450.65 × 14,672.70
  4. Step 4: Simplify right side
    40,967.10x = 901,646,952.26
  5. Step 5: Solve for x
    x = 901,646,952.26/40,967.10
  6. Step 6: Final answer
    x = 22,009.05

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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.