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Finding the Fourth Proportional to 28,337.98, 42,506.48 and 9,869.50

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Solution

The fourth proportional to 28,337.98, 42,506.48 and 9,869.50 is: 14,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.98 : 42,506.48 = 9,869.50 : x
  2. Step 2: Convert to fraction form
    28,337.98/42,506.48 = 9,869.50/x
  3. Step 3: Cross multiply
    28,337.98x = 42,506.48 × 9,869.50
  4. Step 4: Simplify right side
    28,337.98x = 419,517,704.36
  5. Step 5: Solve for x
    x = 419,517,704.36/28,337.98
  6. Step 6: Final answer
    x = 14,804.08

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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.