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Finding the Fourth Proportional to 12,503.76, 17,254.98 and 6,914.76

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Solution

The fourth proportional to 12,503.76, 17,254.98 and 6,914.76 is: 9,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.76 : 17,254.98 = 6,914.76 : x
  2. Step 2: Convert to fraction form
    12,503.76/17,254.98 = 6,914.76/x
  3. Step 3: Cross multiply
    12,503.76x = 17,254.98 × 6,914.76
  4. Step 4: Simplify right side
    12,503.76x = 119,314,045.50
  5. Step 5: Solve for x
    x = 119,314,045.50/12,503.76
  6. Step 6: Final answer
    x = 9,542.25

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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.