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Finding the Fourth Proportional to 8,482.95, 11,706.60 and 5,125.31

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Solution

The fourth proportional to 8,482.95, 11,706.60 and 5,125.31 is: 7,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.95 : 11,706.60 = 5,125.31 : x
  2. Step 2: Convert to fraction form
    8,482.95/11,706.60 = 5,125.31/x
  3. Step 3: Cross multiply
    8,482.95x = 11,706.60 × 5,125.31
  4. Step 4: Simplify right side
    8,482.95x = 59,999,895.51
  5. Step 5: Solve for x
    x = 59,999,895.51/8,482.95
  6. Step 6: Final answer
    x = 7,073.00

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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.