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Finding the Fourth Proportional to 19,357.76, 29,025.84 and 9,475.76

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Solution

The fourth proportional to 19,357.76, 29,025.84 and 9,475.76 is: 14,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.76 : 29,025.84 = 9,475.76 : x
  2. Step 2: Convert to fraction form
    19,357.76/29,025.84 = 9,475.76/x
  3. Step 3: Cross multiply
    19,357.76x = 29,025.84 × 9,475.76
  4. Step 4: Simplify right side
    19,357.76x = 275,041,893.64
  5. Step 5: Solve for x
    x = 275,041,893.64/19,357.76
  6. Step 6: Final answer
    x = 14,208.35

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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.