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Finding the Fourth Proportional to 23,021.80, 34,459.80 and 16,460.80

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Solution

The fourth proportional to 23,021.80, 34,459.80 and 16,460.80 is: 24,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.80 : 34,459.80 = 16,460.80 : x
  2. Step 2: Convert to fraction form
    23,021.80/34,459.80 = 16,460.80/x
  3. Step 3: Cross multiply
    23,021.80x = 34,459.80 × 16,460.80
  4. Step 4: Simplify right side
    23,021.80x = 567,235,875.84
  5. Step 5: Solve for x
    x = 567,235,875.84/23,021.80
  6. Step 6: Final answer
    x = 24,639.08

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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.