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Finding the Fourth Proportional to 9,880.58, 14,820.81 and 4,950.15

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Solution

The fourth proportional to 9,880.58, 14,820.81 and 4,950.15 is: 7,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.58 : 14,820.81 = 4,950.15 : x
  2. Step 2: Convert to fraction form
    9,880.58/14,820.81 = 4,950.15/x
  3. Step 3: Cross multiply
    9,880.58x = 14,820.81 × 4,950.15
  4. Step 4: Simplify right side
    9,880.58x = 73,365,158.48
  5. Step 5: Solve for x
    x = 73,365,158.48/9,880.58
  6. Step 6: Final answer
    x = 7,425.19

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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.