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Finding the Fourth Proportional to 9,375.45, 14,070.09 and 4,445.10

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Solution

The fourth proportional to 9,375.45, 14,070.09 and 4,445.10 is: 6,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.45 : 14,070.09 = 4,445.10 : x
  2. Step 2: Convert to fraction form
    9,375.45/14,070.09 = 4,445.10/x
  3. Step 3: Cross multiply
    9,375.45x = 14,070.09 × 4,445.10
  4. Step 4: Simplify right side
    9,375.45x = 62,543,009.82
  5. Step 5: Solve for x
    x = 62,543,009.82/9,375.45
  6. Step 6: Final answer
    x = 6,670.94

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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.