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Finding the Fourth Proportional to 29,810.88, 44,720.28 and 9,813.76

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Solution

The fourth proportional to 29,810.88, 44,720.28 and 9,813.76 is: 14,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.88 : 44,720.28 = 9,813.76 : x
  2. Step 2: Convert to fraction form
    29,810.88/44,720.28 = 9,813.76/x
  3. Step 3: Cross multiply
    29,810.88x = 44,720.28 × 9,813.76
  4. Step 4: Simplify right side
    29,810.88x = 438,874,095.05
  5. Step 5: Solve for x
    x = 438,874,095.05/29,810.88
  6. Step 6: Final answer
    x = 14,721.94

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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.