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Finding the Fourth Proportional to 9,907.07, 14,865.44 and 4,359.72

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Solution

The fourth proportional to 9,907.07, 14,865.44 and 4,359.72 is: 6,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.07 : 14,865.44 = 4,359.72 : x
  2. Step 2: Convert to fraction form
    9,907.07/14,865.44 = 4,359.72/x
  3. Step 3: Cross multiply
    9,907.07x = 14,865.44 × 4,359.72
  4. Step 4: Simplify right side
    9,907.07x = 64,809,156.08
  5. Step 5: Solve for x
    x = 64,809,156.08/9,907.07
  6. Step 6: Final answer
    x = 6,541.71

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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.