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Finding the Fourth Proportional to 58,315.63, 80,482.65 and 32,831.54

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Solution

The fourth proportional to 58,315.63, 80,482.65 and 32,831.54 is: 45,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,315.63 : 80,482.65 = 32,831.54 : x
  2. Step 2: Convert to fraction form
    58,315.63/80,482.65 = 32,831.54/x
  3. Step 3: Cross multiply
    58,315.63x = 80,482.65 × 32,831.54
  4. Step 4: Simplify right side
    58,315.63x = 2,642,369,342.78
  5. Step 5: Solve for x
    x = 2,642,369,342.78/58,315.63
  6. Step 6: Final answer
    x = 45,311.52

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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.