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Finding the Fourth Proportional to 29,788.80, 44,715.60 and 16,666.80

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Solution

The fourth proportional to 29,788.80, 44,715.60 and 16,666.80 is: 25,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,788.80 : 44,715.60 = 16,666.80 : x
  2. Step 2: Convert to fraction form
    29,788.80/44,715.60 = 16,666.80/x
  3. Step 3: Cross multiply
    29,788.80x = 44,715.60 × 16,666.80
  4. Step 4: Simplify right side
    29,788.80x = 745,265,962.08
  5. Step 5: Solve for x
    x = 745,265,962.08/29,788.80
  6. Step 6: Final answer
    x = 25,018.33

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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.