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Finding the Fourth Proportional to 35,798.89, 49,509.50 and 31,314.85

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Solution

The fourth proportional to 35,798.89, 49,509.50 and 31,314.85 is: 43,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.89 : 49,509.50 = 31,314.85 : x
  2. Step 2: Convert to fraction form
    35,798.89/49,509.50 = 31,314.85/x
  3. Step 3: Cross multiply
    35,798.89x = 49,509.50 × 31,314.85
  4. Step 4: Simplify right side
    35,798.89x = 1,550,382,828.44
  5. Step 5: Solve for x
    x = 1,550,382,828.44/35,798.89
  6. Step 6: Final answer
    x = 43,308.13

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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.