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Finding the Fourth Proportional to 35,691.98, 49,278.98 and 31,903.00

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Solution

The fourth proportional to 35,691.98, 49,278.98 and 31,903.00 is: 44,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.98 : 49,278.98 = 31,903.00 : x
  2. Step 2: Convert to fraction form
    35,691.98/49,278.98 = 31,903.00/x
  3. Step 3: Cross multiply
    35,691.98x = 49,278.98 × 31,903.00
  4. Step 4: Simplify right side
    35,691.98x = 1,572,147,255.50
  5. Step 5: Solve for x
    x = 1,572,147,255.50/35,691.98
  6. Step 6: Final answer
    x = 44,047.64

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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.