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Finding the Fourth Proportional to 19,602.40, 27,051.48 and 10,649.92

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Solution

The fourth proportional to 19,602.40, 27,051.48 and 10,649.92 is: 14,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.40 : 27,051.48 = 10,649.92 : x
  2. Step 2: Convert to fraction form
    19,602.40/27,051.48 = 10,649.92/x
  3. Step 3: Cross multiply
    19,602.40x = 27,051.48 × 10,649.92
  4. Step 4: Simplify right side
    19,602.40x = 288,096,097.88
  5. Step 5: Solve for x
    x = 288,096,097.88/19,602.40
  6. Step 6: Final answer
    x = 14,696.98

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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.