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Finding the Fourth Proportional to 46,677.66, 69,995.88 and 13,390.17

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Solution

The fourth proportional to 46,677.66, 69,995.88 and 13,390.17 is: 20,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,677.66 : 69,995.88 = 13,390.17 : x
  2. Step 2: Convert to fraction form
    46,677.66/69,995.88 = 13,390.17/x
  3. Step 3: Cross multiply
    46,677.66x = 69,995.88 × 13,390.17
  4. Step 4: Simplify right side
    46,677.66x = 937,256,732.50
  5. Step 5: Solve for x
    x = 937,256,732.50/46,677.66
  6. Step 6: Final answer
    x = 20,079.34

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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.