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Finding the Fourth Proportional to 28,957.01, 43,435.06 and 9,235.44

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Solution

The fourth proportional to 28,957.01, 43,435.06 and 9,235.44 is: 13,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.01 : 43,435.06 = 9,235.44 : x
  2. Step 2: Convert to fraction form
    28,957.01/43,435.06 = 9,235.44/x
  3. Step 3: Cross multiply
    28,957.01x = 43,435.06 × 9,235.44
  4. Step 4: Simplify right side
    28,957.01x = 401,141,673.35
  5. Step 5: Solve for x
    x = 401,141,673.35/28,957.01
  6. Step 6: Final answer
    x = 13,853.01

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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.