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Finding the Fourth Proportional to 7,184.81, 9,918.53 and 4,796.19

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Solution

The fourth proportional to 7,184.81, 9,918.53 and 4,796.19 is: 6,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.81 : 9,918.53 = 4,796.19 : x
  2. Step 2: Convert to fraction form
    7,184.81/9,918.53 = 4,796.19/x
  3. Step 3: Cross multiply
    7,184.81x = 9,918.53 × 4,796.19
  4. Step 4: Simplify right side
    7,184.81x = 47,571,130.42
  5. Step 5: Solve for x
    x = 47,571,130.42/7,184.81
  6. Step 6: Final answer
    x = 6,621.07

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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.