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Finding the Fourth Proportional to 10,611.70, 14,637.93 and 7,252.90

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Solution

The fourth proportional to 10,611.70, 14,637.93 and 7,252.90 is: 10,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.70 : 14,637.93 = 7,252.90 : x
  2. Step 2: Convert to fraction form
    10,611.70/14,637.93 = 7,252.90/x
  3. Step 3: Cross multiply
    10,611.70x = 14,637.93 × 7,252.90
  4. Step 4: Simplify right side
    10,611.70x = 106,167,442.50
  5. Step 5: Solve for x
    x = 106,167,442.50/10,611.70
  6. Step 6: Final answer
    x = 10,004.75

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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.