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Finding the Fourth Proportional to 5,973.65, 8,243.80 and 3,455.51

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Solution

The fourth proportional to 5,973.65, 8,243.80 and 3,455.51 is: 4,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.65 : 8,243.80 = 3,455.51 : x
  2. Step 2: Convert to fraction form
    5,973.65/8,243.80 = 3,455.51/x
  3. Step 3: Cross multiply
    5,973.65x = 8,243.80 × 3,455.51
  4. Step 4: Simplify right side
    5,973.65x = 28,486,533.34
  5. Step 5: Solve for x
    x = 28,486,533.34/5,973.65
  6. Step 6: Final answer
    x = 4,768.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.