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Finding the Fourth Proportional to 29,857.84, 44,779.76 and 13,208.80

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Solution

The fourth proportional to 29,857.84, 44,779.76 and 13,208.80 is: 19,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,857.84 : 44,779.76 = 13,208.80 : x
  2. Step 2: Convert to fraction form
    29,857.84/44,779.76 = 13,208.80/x
  3. Step 3: Cross multiply
    29,857.84x = 44,779.76 × 13,208.80
  4. Step 4: Simplify right side
    29,857.84x = 591,486,893.89
  5. Step 5: Solve for x
    x = 591,486,893.89/29,857.84
  6. Step 6: Final answer
    x = 19,810.10

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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.