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Finding the Fourth Proportional to 58,065.60, 80,128.26 and 32,914.56

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Solution

The fourth proportional to 58,065.60, 80,128.26 and 32,914.56 is: 45,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,065.60 : 80,128.26 = 32,914.56 : x
  2. Step 2: Convert to fraction form
    58,065.60/80,128.26 = 32,914.56/x
  3. Step 3: Cross multiply
    58,065.60x = 80,128.26 × 32,914.56
  4. Step 4: Simplify right side
    58,065.60x = 2,637,386,421.47
  5. Step 5: Solve for x
    x = 2,637,386,421.47/58,065.60
  6. Step 6: Final answer
    x = 45,420.81

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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.