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Finding the Fourth Proportional to 12,562.46, 17,335.63 and 7,529.48

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Solution

The fourth proportional to 12,562.46, 17,335.63 and 7,529.48 is: 10,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.46 : 17,335.63 = 7,529.48 : x
  2. Step 2: Convert to fraction form
    12,562.46/17,335.63 = 7,529.48/x
  3. Step 3: Cross multiply
    12,562.46x = 17,335.63 × 7,529.48
  4. Step 4: Simplify right side
    12,562.46x = 130,528,279.37
  5. Step 5: Solve for x
    x = 130,528,279.37/12,562.46
  6. Step 6: Final answer
    x = 10,390.34

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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.