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Finding the Fourth Proportional to 58,462.36, 80,678.79 and 35,485.53

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Solution

The fourth proportional to 58,462.36, 80,678.79 and 35,485.53 is: 48,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,462.36 : 80,678.79 = 35,485.53 : x
  2. Step 2: Convert to fraction form
    58,462.36/80,678.79 = 35,485.53/x
  3. Step 3: Cross multiply
    58,462.36x = 80,678.79 × 35,485.53
  4. Step 4: Simplify right side
    58,462.36x = 2,862,929,622.91
  5. Step 5: Solve for x
    x = 2,862,929,622.91/58,462.36
  6. Step 6: Final answer
    x = 48,970.48

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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.