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Finding the Fourth Proportional to 8,875.95, 13,313.45 and 3,328.92

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Solution

The fourth proportional to 8,875.95, 13,313.45 and 3,328.92 is: 4,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.95 : 13,313.45 = 3,328.92 : x
  2. Step 2: Convert to fraction form
    8,875.95/13,313.45 = 3,328.92/x
  3. Step 3: Cross multiply
    8,875.95x = 13,313.45 × 3,328.92
  4. Step 4: Simplify right side
    8,875.95x = 44,319,393.33
  5. Step 5: Solve for x
    x = 44,319,393.33/8,875.95
  6. Step 6: Final answer
    x = 4,993.20

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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.