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Finding the Fourth Proportional to 6,017,986.89, 8,302,642.47 and 3,954,114.09

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Solution

The fourth proportional to 6,017,986.89, 8,302,642.47 and 3,954,114.09 is: 5,455,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,017,986.89 : 8,302,642.47 = 3,954,114.09 : x
  2. Step 2: Convert to fraction form
    6,017,986.89/8,302,642.47 = 3,954,114.09/x
  3. Step 3: Cross multiply
    6,017,986.89x = 8,302,642.47 × 3,954,114.09
  4. Step 4: Simplify right side
    6,017,986.89x = 32,829,595,574,859.40
  5. Step 5: Solve for x
    x = 32,829,595,574,859.40/6,017,986.89
  6. Step 6: Final answer
    x = 5,455,245.45

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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.