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Finding the Fourth Proportional to 29,215, 40,323.99 and 16,647.04

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Solution

The fourth proportional to 29,215, 40,323.99 and 16,647.04 is: 22,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215 : 40,323.99 = 16,647.04 : x
  2. Step 2: Convert to fraction form
    29,215/40,323.99 = 16,647.04/x
  3. Step 3: Cross multiply
    29,215x = 40,323.99 × 16,647.04
  4. Step 4: Simplify right side
    29,215x = 671,275,074.49
  5. Step 5: Solve for x
    x = 671,275,074.49/29,215
  6. Step 6: Final answer
    x = 22,977.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.