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Finding the Fourth Proportional to 58,070.44, 80,142.42 and 35,410.69

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Solution

The fourth proportional to 58,070.44, 80,142.42 and 35,410.69 is: 48,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070.44 : 80,142.42 = 35,410.69 : x
  2. Step 2: Convert to fraction form
    58,070.44/80,142.42 = 35,410.69/x
  3. Step 3: Cross multiply
    58,070.44x = 80,142.42 × 35,410.69
  4. Step 4: Simplify right side
    58,070.44x = 2,837,898,390.47
  5. Step 5: Solve for x
    x = 2,837,898,390.47/58,070.44
  6. Step 6: Final answer
    x = 48,869.93

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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.