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Finding the Fourth Proportional to 9,953.46, 13,736.43 and 6,590.43

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Solution

The fourth proportional to 9,953.46, 13,736.43 and 6,590.43 is: 9,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.46 : 13,736.43 = 6,590.43 : x
  2. Step 2: Convert to fraction form
    9,953.46/13,736.43 = 6,590.43/x
  3. Step 3: Cross multiply
    9,953.46x = 13,736.43 × 6,590.43
  4. Step 4: Simplify right side
    9,953.46x = 90,528,980.36
  5. Step 5: Solve for x
    x = 90,528,980.36/9,953.46
  6. Step 6: Final answer
    x = 9,095.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.