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Finding the Fourth Proportional to 29,788.40, 44,609.70 and 14,187.80

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Solution

The fourth proportional to 29,788.40, 44,609.70 and 14,187.80 is: 21,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,788.40 : 44,609.70 = 14,187.80 : x
  2. Step 2: Convert to fraction form
    29,788.40/44,609.70 = 14,187.80/x
  3. Step 3: Cross multiply
    29,788.40x = 44,609.70 × 14,187.80
  4. Step 4: Simplify right side
    29,788.40x = 632,913,501.66
  5. Step 5: Solve for x
    x = 632,913,501.66/29,788.40
  6. Step 6: Final answer
    x = 21,246.98

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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.