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Finding the Fourth Proportional to 4,973.04, 7,457.82 and 1,685.16

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Solution

The fourth proportional to 4,973.04, 7,457.82 and 1,685.16 is: 2,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.04 : 7,457.82 = 1,685.16 : x
  2. Step 2: Convert to fraction form
    4,973.04/7,457.82 = 1,685.16/x
  3. Step 3: Cross multiply
    4,973.04x = 7,457.82 × 1,685.16
  4. Step 4: Simplify right side
    4,973.04x = 12,567,619.95
  5. Step 5: Solve for x
    x = 12,567,619.95/4,973.04
  6. Step 6: Final answer
    x = 2,527.15

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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.