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Finding the Fourth Proportional to 7,541.68, 10,404.68 and 5,556.98

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Solution

The fourth proportional to 7,541.68, 10,404.68 and 5,556.98 is: 7,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.68 : 10,404.68 = 5,556.98 : x
  2. Step 2: Convert to fraction form
    7,541.68/10,404.68 = 5,556.98/x
  3. Step 3: Cross multiply
    7,541.68x = 10,404.68 × 5,556.98
  4. Step 4: Simplify right side
    7,541.68x = 57,818,598.67
  5. Step 5: Solve for x
    x = 57,818,598.67/7,541.68
  6. Step 6: Final answer
    x = 7,666.54

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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.