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Finding the Fourth Proportional to 8,038.45, 12,053.16 and 5,508.40

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Solution

The fourth proportional to 8,038.45, 12,053.16 and 5,508.40 is: 8,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.45 : 12,053.16 = 5,508.40 : x
  2. Step 2: Convert to fraction form
    8,038.45/12,053.16 = 5,508.40/x
  3. Step 3: Cross multiply
    8,038.45x = 12,053.16 × 5,508.40
  4. Step 4: Simplify right side
    8,038.45x = 66,393,566.28
  5. Step 5: Solve for x
    x = 66,393,566.28/8,038.45
  6. Step 6: Final answer
    x = 8,259.50

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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.