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Finding the Fourth Proportional to 12,569.42, 17,345.03 and 6,903.07

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Solution

The fourth proportional to 12,569.42, 17,345.03 and 6,903.07 is: 9,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.42 : 17,345.03 = 6,903.07 : x
  2. Step 2: Convert to fraction form
    12,569.42/17,345.03 = 6,903.07/x
  3. Step 3: Cross multiply
    12,569.42x = 17,345.03 × 6,903.07
  4. Step 4: Simplify right side
    12,569.42x = 119,733,930.14
  5. Step 5: Solve for x
    x = 119,733,930.14/12,569.42
  6. Step 6: Final answer
    x = 9,525.81

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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.