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Finding the Fourth Proportional to 58,990.40, 81,408.84 and 32,133.44

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Solution

The fourth proportional to 58,990.40, 81,408.84 and 32,133.44 is: 44,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,990.40 : 81,408.84 = 32,133.44 : x
  2. Step 2: Convert to fraction form
    58,990.40/81,408.84 = 32,133.44/x
  3. Step 3: Cross multiply
    58,990.40x = 81,408.84 × 32,133.44
  4. Step 4: Simplify right side
    58,990.40x = 2,615,946,075.61
  5. Step 5: Solve for x
    x = 2,615,946,075.61/58,990.40
  6. Step 6: Final answer
    x = 44,345.28

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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.