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Finding the Fourth Proportional to 5,541.48, 8,307.90 and 4,884.84

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Solution

The fourth proportional to 5,541.48, 8,307.90 and 4,884.84 is: 7,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.48 : 8,307.90 = 4,884.84 : x
  2. Step 2: Convert to fraction form
    5,541.48/8,307.90 = 4,884.84/x
  3. Step 3: Cross multiply
    5,541.48x = 8,307.90 × 4,884.84
  4. Step 4: Simplify right side
    5,541.48x = 40,582,762.24
  5. Step 5: Solve for x
    x = 40,582,762.24/5,541.48
  6. Step 6: Final answer
    x = 7,323.45

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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.