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Finding the Fourth Proportional to 9,573.99, 14,292.32 and 8,328.21

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Solution

The fourth proportional to 9,573.99, 14,292.32 and 8,328.21 is: 12,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,573.99 : 14,292.32 = 8,328.21 : x
  2. Step 2: Convert to fraction form
    9,573.99/14,292.32 = 8,328.21/x
  3. Step 3: Cross multiply
    9,573.99x = 14,292.32 × 8,328.21
  4. Step 4: Simplify right side
    9,573.99x = 119,029,442.35
  5. Step 5: Solve for x
    x = 119,029,442.35/9,573.99
  6. Step 6: Final answer
    x = 12,432.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.