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Finding the Fourth Proportional to 29,011.08, 40,035.14 and 15,763.08

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Solution

The fourth proportional to 29,011.08, 40,035.14 and 15,763.08 is: 21,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.08 : 40,035.14 = 15,763.08 : x
  2. Step 2: Convert to fraction form
    29,011.08/40,035.14 = 15,763.08/x
  3. Step 3: Cross multiply
    29,011.08x = 40,035.14 × 15,763.08
  4. Step 4: Simplify right side
    29,011.08x = 631,077,114.63
  5. Step 5: Solve for x
    x = 631,077,114.63/29,011.08
  6. Step 6: Final answer
    x = 21,752.97

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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.