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Finding the Fourth Proportional to 58,364.64, 80,543.54 and 33,214.14

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Solution

The fourth proportional to 58,364.64, 80,543.54 and 33,214.14 is: 45,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,364.64 : 80,543.54 = 33,214.14 : x
  2. Step 2: Convert to fraction form
    58,364.64/80,543.54 = 33,214.14/x
  3. Step 3: Cross multiply
    58,364.64x = 80,543.54 × 33,214.14
  4. Step 4: Simplify right side
    58,364.64x = 2,675,184,247.58
  5. Step 5: Solve for x
    x = 2,675,184,247.58/58,364.64
  6. Step 6: Final answer
    x = 45,835.70

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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.