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Finding the Fourth Proportional to 9,398.40, 14,058.72 and 8,543.04

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Solution

The fourth proportional to 9,398.40, 14,058.72 and 8,543.04 is: 12,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.40 : 14,058.72 = 8,543.04 : x
  2. Step 2: Convert to fraction form
    9,398.40/14,058.72 = 8,543.04/x
  3. Step 3: Cross multiply
    9,398.40x = 14,058.72 × 8,543.04
  4. Step 4: Simplify right side
    9,398.40x = 120,104,207.31
  5. Step 5: Solve for x
    x = 120,104,207.31/9,398.40
  6. Step 6: Final answer
    x = 12,779.22

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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.