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Finding the Fourth Proportional to 29,008.17, 40,008.47 and 19,444.77

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Solution

The fourth proportional to 29,008.17, 40,008.47 and 19,444.77 is: 26,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.17 : 40,008.47 = 19,444.77 : x
  2. Step 2: Convert to fraction form
    29,008.17/40,008.47 = 19,444.77/x
  3. Step 3: Cross multiply
    29,008.17x = 40,008.47 × 19,444.77
  4. Step 4: Simplify right side
    29,008.17x = 777,955,399.98
  5. Step 5: Solve for x
    x = 777,955,399.98/29,008.17
  6. Step 6: Final answer
    x = 26,818.49

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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.