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Finding the Fourth Proportional to 9,602.40, 14,398.40 and 4,331.25

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Solution

The fourth proportional to 9,602.40, 14,398.40 and 4,331.25 is: 6,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,602.40 : 14,398.40 = 4,331.25 : x
  2. Step 2: Convert to fraction form
    9,602.40/14,398.40 = 4,331.25/x
  3. Step 3: Cross multiply
    9,602.40x = 14,398.40 × 4,331.25
  4. Step 4: Simplify right side
    9,602.40x = 62,363,080.83
  5. Step 5: Solve for x
    x = 62,363,080.83/9,602.40
  6. Step 6: Final answer
    x = 6,494.53

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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.