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Finding the Fourth Proportional to 8,291.63, 12,437.08 and 5,652.52

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Solution

The fourth proportional to 8,291.63, 12,437.08 and 5,652.52 is: 8,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.63 : 12,437.08 = 5,652.52 : x
  2. Step 2: Convert to fraction form
    8,291.63/12,437.08 = 5,652.52/x
  3. Step 3: Cross multiply
    8,291.63x = 12,437.08 × 5,652.52
  4. Step 4: Simplify right side
    8,291.63x = 70,300,798.22
  5. Step 5: Solve for x
    x = 70,300,798.22/8,291.63
  6. Step 6: Final answer
    x = 8,478.52

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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.