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Finding the Fourth Proportional to 9,907.16, 14,773.41 and 9,818.33

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Solution

The fourth proportional to 9,907.16, 14,773.41 and 9,818.33 is: 14,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.16 : 14,773.41 = 9,818.33 : x
  2. Step 2: Convert to fraction form
    9,907.16/14,773.41 = 9,818.33/x
  3. Step 3: Cross multiply
    9,907.16x = 14,773.41 × 9,818.33
  4. Step 4: Simplify right side
    9,907.16x = 145,050,140.74
  5. Step 5: Solve for x
    x = 145,050,140.74/9,907.16
  6. Step 6: Final answer
    x = 14,640.95

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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.