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Finding the Fourth Proportional to 29,875.64, 44,820.21 and 9,885.09

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Solution

The fourth proportional to 29,875.64, 44,820.21 and 9,885.09 is: 14,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,875.64 : 44,820.21 = 9,885.09 : x
  2. Step 2: Convert to fraction form
    29,875.64/44,820.21 = 9,885.09/x
  3. Step 3: Cross multiply
    29,875.64x = 44,820.21 × 9,885.09
  4. Step 4: Simplify right side
    29,875.64x = 443,051,809.67
  5. Step 5: Solve for x
    x = 443,051,809.67/29,875.64
  6. Step 6: Final answer
    x = 14,829.87

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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.