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Finding the Fourth Proportional to 4,773, 7,159.44 and 1,851.30

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Solution

The fourth proportional to 4,773, 7,159.44 and 1,851.30 is: 2,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773 : 7,159.44 = 1,851.30 : x
  2. Step 2: Convert to fraction form
    4,773/7,159.44 = 1,851.30/x
  3. Step 3: Cross multiply
    4,773x = 7,159.44 × 1,851.30
  4. Step 4: Simplify right side
    4,773x = 13,254,271.27
  5. Step 5: Solve for x
    x = 13,254,271.27/4,773
  6. Step 6: Final answer
    x = 2,776.93

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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.