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Finding the Fourth Proportional to 19,559.70, 29,339.55 and 5,708.70

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Solution

The fourth proportional to 19,559.70, 29,339.55 and 5,708.70 is: 8,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.70 : 29,339.55 = 5,708.70 : x
  2. Step 2: Convert to fraction form
    19,559.70/29,339.55 = 5,708.70/x
  3. Step 3: Cross multiply
    19,559.70x = 29,339.55 × 5,708.70
  4. Step 4: Simplify right side
    19,559.70x = 167,490,689.09
  5. Step 5: Solve for x
    x = 167,490,689.09/19,559.70
  6. Step 6: Final answer
    x = 8,563.05

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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.