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Finding the Fourth Proportional to 8,807.95, 13,203.65 and 2,960.47

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Solution

The fourth proportional to 8,807.95, 13,203.65 and 2,960.47 is: 4,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.95 : 13,203.65 = 2,960.47 : x
  2. Step 2: Convert to fraction form
    8,807.95/13,203.65 = 2,960.47/x
  3. Step 3: Cross multiply
    8,807.95x = 13,203.65 × 2,960.47
  4. Step 4: Simplify right side
    8,807.95x = 39,088,984.11
  5. Step 5: Solve for x
    x = 39,088,984.11/8,807.95
  6. Step 6: Final answer
    x = 4,437.92

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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.