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Finding the Fourth Proportional to 17,405.99, 26,108.93 and 6,312.63

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Solution

The fourth proportional to 17,405.99, 26,108.93 and 6,312.63 is: 9,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.99 : 26,108.93 = 6,312.63 : x
  2. Step 2: Convert to fraction form
    17,405.99/26,108.93 = 6,312.63/x
  3. Step 3: Cross multiply
    17,405.99x = 26,108.93 × 6,312.63
  4. Step 4: Simplify right side
    17,405.99x = 164,816,128.48
  5. Step 5: Solve for x
    x = 164,816,128.48/17,405.99
  6. Step 6: Final answer
    x = 9,468.93

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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.