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Finding the Fourth Proportional to 58,068.78, 80,134.86 and 32,918.28

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Solution

The fourth proportional to 58,068.78, 80,134.86 and 32,918.28 is: 45,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,068.78 : 80,134.86 = 32,918.28 : x
  2. Step 2: Convert to fraction form
    58,068.78/80,134.86 = 32,918.28/x
  3. Step 3: Cross multiply
    58,068.78x = 80,134.86 × 32,918.28
  4. Step 4: Simplify right side
    58,068.78x = 2,637,901,759.24
  5. Step 5: Solve for x
    x = 2,637,901,759.24/58,068.78
  6. Step 6: Final answer
    x = 45,427.19

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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.