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Finding the Fourth Proportional to 5,855.49, 8,762.72 and 4,802.49

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Solution

The fourth proportional to 5,855.49, 8,762.72 and 4,802.49 is: 7,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.49 : 8,762.72 = 4,802.49 : x
  2. Step 2: Convert to fraction form
    5,855.49/8,762.72 = 4,802.49/x
  3. Step 3: Cross multiply
    5,855.49x = 8,762.72 × 4,802.49
  4. Step 4: Simplify right side
    5,855.49x = 42,082,851.16
  5. Step 5: Solve for x
    x = 42,082,851.16/5,855.49
  6. Step 6: Final answer
    x = 7,186.91

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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.