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Finding the Fourth Proportional to 19,655.24, 29,487.54 and 5,804.24

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Solution

The fourth proportional to 19,655.24, 29,487.54 and 5,804.24 is: 8,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.24 : 29,487.54 = 5,804.24 : x
  2. Step 2: Convert to fraction form
    19,655.24/29,487.54 = 5,804.24/x
  3. Step 3: Cross multiply
    19,655.24x = 29,487.54 × 5,804.24
  4. Step 4: Simplify right side
    19,655.24x = 171,152,759.17
  5. Step 5: Solve for x
    x = 171,152,759.17/19,655.24
  6. Step 6: Final answer
    x = 8,707.74

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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.