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Finding the Fourth Proportional to 5,655.79, 8,484.50 and 1,760.59

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Solution

The fourth proportional to 5,655.79, 8,484.50 and 1,760.59 is: 2,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.79 : 8,484.50 = 1,760.59 : x
  2. Step 2: Convert to fraction form
    5,655.79/8,484.50 = 1,760.59/x
  3. Step 3: Cross multiply
    5,655.79x = 8,484.50 × 1,760.59
  4. Step 4: Simplify right side
    5,655.79x = 14,937,717.05
  5. Step 5: Solve for x
    x = 14,937,717.05/5,655.79
  6. Step 6: Final answer
    x = 2,641.14

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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.