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Finding the Fourth Proportional to 19,525.68, 29,317.68 and 19,234.08

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Solution

The fourth proportional to 19,525.68, 29,317.68 and 19,234.08 is: 28,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.68 : 29,317.68 = 19,234.08 : x
  2. Step 2: Convert to fraction form
    19,525.68/29,317.68 = 19,234.08/x
  3. Step 3: Cross multiply
    19,525.68x = 29,317.68 × 19,234.08
  4. Step 4: Simplify right side
    19,525.68x = 563,898,602.53
  5. Step 5: Solve for x
    x = 563,898,602.53/19,525.68
  6. Step 6: Final answer
    x = 28,879.84

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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.