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Finding the Fourth Proportional to 19,549.80, 26,978.58 and 10,597.32

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Solution

The fourth proportional to 19,549.80, 26,978.58 and 10,597.32 is: 14,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.80 : 26,978.58 = 10,597.32 : x
  2. Step 2: Convert to fraction form
    19,549.80/26,978.58 = 10,597.32/x
  3. Step 3: Cross multiply
    19,549.80x = 26,978.58 × 10,597.32
  4. Step 4: Simplify right side
    19,549.80x = 285,900,645.41
  5. Step 5: Solve for x
    x = 285,900,645.41/19,549.80
  6. Step 6: Final answer
    x = 14,624.22

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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.