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Finding the Fourth Proportional to 5,459.34, 7,484.76 and 5,360.94

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Solution

The fourth proportional to 5,459.34, 7,484.76 and 5,360.94 is: 7,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.34 : 7,484.76 = 5,360.94 : x
  2. Step 2: Convert to fraction form
    5,459.34/7,484.76 = 5,360.94/x
  3. Step 3: Cross multiply
    5,459.34x = 7,484.76 × 5,360.94
  4. Step 4: Simplify right side
    5,459.34x = 40,125,349.27
  5. Step 5: Solve for x
    x = 40,125,349.27/5,459.34
  6. Step 6: Final answer
    x = 7,349.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.