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Finding the Fourth Proportional to 4,655.32, 6,973.61 and 2,152.98

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Solution

The fourth proportional to 4,655.32, 6,973.61 and 2,152.98 is: 3,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.32 : 6,973.61 = 2,152.98 : x
  2. Step 2: Convert to fraction form
    4,655.32/6,973.61 = 2,152.98/x
  3. Step 3: Cross multiply
    4,655.32x = 6,973.61 × 2,152.98
  4. Step 4: Simplify right side
    4,655.32x = 15,014,032.09
  5. Step 5: Solve for x
    x = 15,014,032.09/4,655.32
  6. Step 6: Final answer
    x = 3,225.14

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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.