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Finding the Fourth Proportional to 58,878.39, 81,250.44 and 33,387.08

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Solution

The fourth proportional to 58,878.39, 81,250.44 and 33,387.08 is: 46,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878.39 : 81,250.44 = 33,387.08 : x
  2. Step 2: Convert to fraction form
    58,878.39/81,250.44 = 33,387.08/x
  3. Step 3: Cross multiply
    58,878.39x = 81,250.44 × 33,387.08
  4. Step 4: Simplify right side
    58,878.39x = 2,712,714,534.06
  5. Step 5: Solve for x
    x = 2,712,714,534.06/58,878.39
  6. Step 6: Final answer
    x = 46,073.18

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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.