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Finding the Fourth Proportional to 5,868.51, 8,802.80 and 1,485.98

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Solution

The fourth proportional to 5,868.51, 8,802.80 and 1,485.98 is: 2,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.51 : 8,802.80 = 1,485.98 : x
  2. Step 2: Convert to fraction form
    5,868.51/8,802.80 = 1,485.98/x
  3. Step 3: Cross multiply
    5,868.51x = 8,802.80 × 1,485.98
  4. Step 4: Simplify right side
    5,868.51x = 13,080,740.73
  5. Step 5: Solve for x
    x = 13,080,740.73/5,868.51
  6. Step 6: Final answer
    x = 2,228.97

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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.