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Finding the Fourth Proportional to 10,572.19, 14,599.44 and 7,914.98

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Solution

The fourth proportional to 10,572.19, 14,599.44 and 7,914.98 is: 10,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.19 : 14,599.44 = 7,914.98 : x
  2. Step 2: Convert to fraction form
    10,572.19/14,599.44 = 7,914.98/x
  3. Step 3: Cross multiply
    10,572.19x = 14,599.44 × 7,914.98
  4. Step 4: Simplify right side
    10,572.19x = 115,554,312.11
  5. Step 5: Solve for x
    x = 115,554,312.11/10,572.19
  6. Step 6: Final answer
    x = 10,930.03

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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.