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Finding the Fourth Proportional to 7,041.71, 9,716.77 and 4,056.95

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Solution

The fourth proportional to 7,041.71, 9,716.77 and 4,056.95 is: 5,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.71 : 9,716.77 = 4,056.95 : x
  2. Step 2: Convert to fraction form
    7,041.71/9,716.77 = 4,056.95/x
  3. Step 3: Cross multiply
    7,041.71x = 9,716.77 × 4,056.95
  4. Step 4: Simplify right side
    7,041.71x = 39,420,450.05
  5. Step 5: Solve for x
    x = 39,420,450.05/7,041.71
  6. Step 6: Final answer
    x = 5,598.14

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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.