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Finding the Fourth Proportional to 9,950.10, 14,937.30 and 9,877.20

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Solution

The fourth proportional to 9,950.10, 14,937.30 and 9,877.20 is: 14,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.10 : 14,937.30 = 9,877.20 : x
  2. Step 2: Convert to fraction form
    9,950.10/14,937.30 = 9,877.20/x
  3. Step 3: Cross multiply
    9,950.10x = 14,937.30 × 9,877.20
  4. Step 4: Simplify right side
    9,950.10x = 147,538,699.56
  5. Step 5: Solve for x
    x = 147,538,699.56/9,950.10
  6. Step 6: Final answer
    x = 14,827.86

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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.