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Finding the Fourth Proportional to 4,784.04, 7,173.29 and 1,858.94

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Solution

The fourth proportional to 4,784.04, 7,173.29 and 1,858.94 is: 2,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.04 : 7,173.29 = 1,858.94 : x
  2. Step 2: Convert to fraction form
    4,784.04/7,173.29 = 1,858.94/x
  3. Step 3: Cross multiply
    4,784.04x = 7,173.29 × 1,858.94
  4. Step 4: Simplify right side
    4,784.04x = 13,334,670.55
  5. Step 5: Solve for x
    x = 13,334,670.55/4,784.04
  6. Step 6: Final answer
    x = 2,787.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.