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Finding the Fourth Proportional to 35,808.80, 53,683.74 and 15,804.09

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Solution

The fourth proportional to 35,808.80, 53,683.74 and 15,804.09 is: 23,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,808.80 : 53,683.74 = 15,804.09 : x
  2. Step 2: Convert to fraction form
    35,808.80/53,683.74 = 15,804.09/x
  3. Step 3: Cross multiply
    35,808.80x = 53,683.74 × 15,804.09
  4. Step 4: Simplify right side
    35,808.80x = 848,422,658.50
  5. Step 5: Solve for x
    x = 848,422,658.50/35,808.80
  6. Step 6: Final answer
    x = 23,693.14

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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.