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Finding the Fourth Proportional to 8,673.48, 12,994.56 and 7,295.40

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Solution

The fourth proportional to 8,673.48, 12,994.56 and 7,295.40 is: 10,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.48 : 12,994.56 = 7,295.40 : x
  2. Step 2: Convert to fraction form
    8,673.48/12,994.56 = 7,295.40/x
  3. Step 3: Cross multiply
    8,673.48x = 12,994.56 × 7,295.40
  4. Step 4: Simplify right side
    8,673.48x = 94,800,513.02
  5. Step 5: Solve for x
    x = 94,800,513.02/8,673.48
  6. Step 6: Final answer
    x = 10,929.93

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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.