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Finding the Fourth Proportional to 6,307.87, 8,701.93 and 4,070.46

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Solution

The fourth proportional to 6,307.87, 8,701.93 and 4,070.46 is: 5,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.87 : 8,701.93 = 4,070.46 : x
  2. Step 2: Convert to fraction form
    6,307.87/8,701.93 = 4,070.46/x
  3. Step 3: Cross multiply
    6,307.87x = 8,701.93 × 4,070.46
  4. Step 4: Simplify right side
    6,307.87x = 35,420,814.48
  5. Step 5: Solve for x
    x = 35,420,814.48/6,307.87
  6. Step 6: Final answer
    x = 5,615.34

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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.