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Finding the Fourth Proportional to 9,315.33, 13,973.03 and 4,641.15

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Solution

The fourth proportional to 9,315.33, 13,973.03 and 4,641.15 is: 6,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.33 : 13,973.03 = 4,641.15 : x
  2. Step 2: Convert to fraction form
    9,315.33/13,973.03 = 4,641.15/x
  3. Step 3: Cross multiply
    9,315.33x = 13,973.03 × 4,641.15
  4. Step 4: Simplify right side
    9,315.33x = 64,850,909.24
  5. Step 5: Solve for x
    x = 64,850,909.24/9,315.33
  6. Step 6: Final answer
    x = 6,961.74

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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.