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Finding the Fourth Proportional to 8,910.95, 13,374.05 and 4,966.18

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Solution

The fourth proportional to 8,910.95, 13,374.05 and 4,966.18 is: 7,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.95 : 13,374.05 = 4,966.18 : x
  2. Step 2: Convert to fraction form
    8,910.95/13,374.05 = 4,966.18/x
  3. Step 3: Cross multiply
    8,910.95x = 13,374.05 × 4,966.18
  4. Step 4: Simplify right side
    8,910.95x = 66,417,881.36
  5. Step 5: Solve for x
    x = 66,417,881.36/8,910.95
  6. Step 6: Final answer
    x = 7,453.52

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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.