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Finding the Fourth Proportional to 13,071.77, 19,602.91 and 7,153.03

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Solution

The fourth proportional to 13,071.77, 19,602.91 and 7,153.03 is: 10,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.77 : 19,602.91 = 7,153.03 : x
  2. Step 2: Convert to fraction form
    13,071.77/19,602.91 = 7,153.03/x
  3. Step 3: Cross multiply
    13,071.77x = 19,602.91 × 7,153.03
  4. Step 4: Simplify right side
    13,071.77x = 140,220,156.53
  5. Step 5: Solve for x
    x = 140,220,156.53/13,071.77
  6. Step 6: Final answer
    x = 10,726.95

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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.