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Finding the Fourth Proportional to 58,343.44, 80,509.80 and 45,798.16

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Solution

The fourth proportional to 58,343.44, 80,509.80 and 45,798.16 is: 63,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,343.44 : 80,509.80 = 45,798.16 : x
  2. Step 2: Convert to fraction form
    58,343.44/80,509.80 = 45,798.16/x
  3. Step 3: Cross multiply
    58,343.44x = 80,509.80 × 45,798.16
  4. Step 4: Simplify right side
    58,343.44x = 3,687,200,701.97
  5. Step 5: Solve for x
    x = 3,687,200,701.97/58,343.44
  6. Step 6: Final answer
    x = 63,198.21

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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.