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Finding the Fourth Proportional to 29,783.16, 44,682.06 and 21,035.16

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Solution

The fourth proportional to 29,783.16, 44,682.06 and 21,035.16 is: 31,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,783.16 : 44,682.06 = 21,035.16 : x
  2. Step 2: Convert to fraction form
    29,783.16/44,682.06 = 21,035.16/x
  3. Step 3: Cross multiply
    29,783.16x = 44,682.06 × 21,035.16
  4. Step 4: Simplify right side
    29,783.16x = 939,894,281.23
  5. Step 5: Solve for x
    x = 939,894,281.23/29,783.16
  6. Step 6: Final answer
    x = 31,557.91

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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.