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Finding the Fourth Proportional to 19,101.15, 26,359.17 and 10,602.77

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Solution

The fourth proportional to 19,101.15, 26,359.17 and 10,602.77 is: 14,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.15 : 26,359.17 = 10,602.77 : x
  2. Step 2: Convert to fraction form
    19,101.15/26,359.17 = 10,602.77/x
  3. Step 3: Cross multiply
    19,101.15x = 26,359.17 × 10,602.77
  4. Step 4: Simplify right side
    19,101.15x = 279,480,216.90
  5. Step 5: Solve for x
    x = 279,480,216.90/19,101.15
  6. Step 6: Final answer
    x = 14,631.59

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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.