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Finding the Fourth Proportional to 15,705.71, 23,555.42 and 7,697.04

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Solution

The fourth proportional to 15,705.71, 23,555.42 and 7,697.04 is: 11,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.71 : 23,555.42 = 7,697.04 : x
  2. Step 2: Convert to fraction form
    15,705.71/23,555.42 = 7,697.04/x
  3. Step 3: Cross multiply
    15,705.71x = 23,555.42 × 7,697.04
  4. Step 4: Simplify right side
    15,705.71x = 181,307,009.96
  5. Step 5: Solve for x
    x = 181,307,009.96/15,705.71
  6. Step 6: Final answer
    x = 11,544.02

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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.