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Finding the Fourth Proportional to 7,368.87, 10,168.94 and 4,056.87

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Solution

The fourth proportional to 7,368.87, 10,168.94 and 4,056.87 is: 5,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.87 : 10,168.94 = 4,056.87 : x
  2. Step 2: Convert to fraction form
    7,368.87/10,168.94 = 4,056.87/x
  3. Step 3: Cross multiply
    7,368.87x = 10,168.94 × 4,056.87
  4. Step 4: Simplify right side
    7,368.87x = 41,254,047.33
  5. Step 5: Solve for x
    x = 41,254,047.33/7,368.87
  6. Step 6: Final answer
    x = 5,598.42

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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.