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Finding the Fourth Proportional to 58,647.51, 80,929.44 and 33,155.06

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Solution

The fourth proportional to 58,647.51, 80,929.44 and 33,155.06 is: 45,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.51 : 80,929.44 = 33,155.06 : x
  2. Step 2: Convert to fraction form
    58,647.51/80,929.44 = 33,155.06/x
  3. Step 3: Cross multiply
    58,647.51x = 80,929.44 × 33,155.06
  4. Step 4: Simplify right side
    58,647.51x = 2,683,220,034.32
  5. Step 5: Solve for x
    x = 2,683,220,034.32/58,647.51
  6. Step 6: Final answer
    x = 45,751.64

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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.