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Finding the Fourth Proportional to 19,873.54, 29,810.31 and 9,482.86

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Solution

The fourth proportional to 19,873.54, 29,810.31 and 9,482.86 is: 14,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.54 : 29,810.31 = 9,482.86 : x
  2. Step 2: Convert to fraction form
    19,873.54/29,810.31 = 9,482.86/x
  3. Step 3: Cross multiply
    19,873.54x = 29,810.31 × 9,482.86
  4. Step 4: Simplify right side
    19,873.54x = 282,686,996.29
  5. Step 5: Solve for x
    x = 282,686,996.29/19,873.54
  6. Step 6: Final answer
    x = 14,224.29

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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.