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Finding the Fourth Proportional to 55,486.34, 83,250.46 and 33,315.16

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Solution

The fourth proportional to 55,486.34, 83,250.46 and 33,315.16 is: 49,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.34 : 83,250.46 = 33,315.16 : x
  2. Step 2: Convert to fraction form
    55,486.34/83,250.46 = 33,315.16/x
  3. Step 3: Cross multiply
    55,486.34x = 83,250.46 × 33,315.16
  4. Step 4: Simplify right side
    55,486.34x = 2,773,502,394.97
  5. Step 5: Solve for x
    x = 2,773,502,394.97/55,486.34
  6. Step 6: Final answer
    x = 49,985.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.