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Finding the Fourth Proportional to 52,359.06, 72,250.03 and 29,690.81

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Solution

The fourth proportional to 52,359.06, 72,250.03 and 29,690.81 is: 40,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.06 : 72,250.03 = 29,690.81 : x
  2. Step 2: Convert to fraction form
    52,359.06/72,250.03 = 29,690.81/x
  3. Step 3: Cross multiply
    52,359.06x = 72,250.03 × 29,690.81
  4. Step 4: Simplify right side
    52,359.06x = 2,145,161,913.22
  5. Step 5: Solve for x
    x = 2,145,161,913.22/52,359.06
  6. Step 6: Final answer
    x = 40,970.21

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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.