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Finding the Fourth Proportional to 29,009.88, 43,482.96 and 14,970.90

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Solution

The fourth proportional to 29,009.88, 43,482.96 and 14,970.90 is: 22,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.88 : 43,482.96 = 14,970.90 : x
  2. Step 2: Convert to fraction form
    29,009.88/43,482.96 = 14,970.90/x
  3. Step 3: Cross multiply
    29,009.88x = 43,482.96 × 14,970.90
  4. Step 4: Simplify right side
    29,009.88x = 650,979,045.86
  5. Step 5: Solve for x
    x = 650,979,045.86/29,009.88
  6. Step 6: Final answer
    x = 22,439.91

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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.