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Finding the Fourth Proportional to 29,313, 40,459.32 and 16,745.04

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Solution

The fourth proportional to 29,313, 40,459.32 and 16,745.04 is: 23,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313 : 40,459.32 = 16,745.04 : x
  2. Step 2: Convert to fraction form
    29,313/40,459.32 = 16,745.04/x
  3. Step 3: Cross multiply
    29,313x = 40,459.32 × 16,745.04
  4. Step 4: Simplify right side
    29,313x = 677,492,931.77
  5. Step 5: Solve for x
    x = 677,492,931.77/29,313
  6. Step 6: Final answer
    x = 23,112.37

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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.