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Finding the Fourth Proportional to 35,999.62, 49,689.90 and 20,895.67

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Solution

The fourth proportional to 35,999.62, 49,689.90 and 20,895.67 is: 28,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.62 : 49,689.90 = 20,895.67 : x
  2. Step 2: Convert to fraction form
    35,999.62/49,689.90 = 20,895.67/x
  3. Step 3: Cross multiply
    35,999.62x = 49,689.90 × 20,895.67
  4. Step 4: Simplify right side
    35,999.62x = 1,038,303,752.73
  5. Step 5: Solve for x
    x = 1,038,303,752.73/35,999.62
  6. Step 6: Final answer
    x = 28,842.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.