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Finding the Fourth Proportional to 8,253.48, 12,365.46 and 4,349.16

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Solution

The fourth proportional to 8,253.48, 12,365.46 and 4,349.16 is: 6,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.48 : 12,365.46 = 4,349.16 : x
  2. Step 2: Convert to fraction form
    8,253.48/12,365.46 = 4,349.16/x
  3. Step 3: Cross multiply
    8,253.48x = 12,365.46 × 4,349.16
  4. Step 4: Simplify right side
    8,253.48x = 53,779,364.01
  5. Step 5: Solve for x
    x = 53,779,364.01/8,253.48
  6. Step 6: Final answer
    x = 6,515.96

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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.