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Finding the Fourth Proportional to 29,934.60, 44,885.70 and 12,406.20

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Solution

The fourth proportional to 29,934.60, 44,885.70 and 12,406.20 is: 18,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,934.60 : 44,885.70 = 12,406.20 : x
  2. Step 2: Convert to fraction form
    29,934.60/44,885.70 = 12,406.20/x
  3. Step 3: Cross multiply
    29,934.60x = 44,885.70 × 12,406.20
  4. Step 4: Simplify right side
    29,934.60x = 556,860,971.34
  5. Step 5: Solve for x
    x = 556,860,971.34/29,934.60
  6. Step 6: Final answer
    x = 18,602.59

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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.