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Finding the Fourth Proportional to 8,673.32, 11,966.44 and 5,314.40

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Solution

The fourth proportional to 8,673.32, 11,966.44 and 5,314.40 is: 7,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.32 : 11,966.44 = 5,314.40 : x
  2. Step 2: Convert to fraction form
    8,673.32/11,966.44 = 5,314.40/x
  3. Step 3: Cross multiply
    8,673.32x = 11,966.44 × 5,314.40
  4. Step 4: Simplify right side
    8,673.32x = 63,594,448.74
  5. Step 5: Solve for x
    x = 63,594,448.74/8,673.32
  6. Step 6: Final answer
    x = 7,332.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.