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Finding the Fourth Proportional to 29,700.33, 44,501.04 and 20,916.78

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Solution

The fourth proportional to 29,700.33, 44,501.04 and 20,916.78 is: 31,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.33 : 44,501.04 = 20,916.78 : x
  2. Step 2: Convert to fraction form
    29,700.33/44,501.04 = 20,916.78/x
  3. Step 3: Cross multiply
    29,700.33x = 44,501.04 × 20,916.78
  4. Step 4: Simplify right side
    29,700.33x = 930,818,463.45
  5. Step 5: Solve for x
    x = 930,818,463.45/29,700.33
  6. Step 6: Final answer
    x = 31,340.34

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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.