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Finding the Fourth Proportional to 56,884.68, 85,326.48 and 19,444.32

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Solution

The fourth proportional to 56,884.68, 85,326.48 and 19,444.32 is: 29,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.68 : 85,326.48 = 19,444.32 : x
  2. Step 2: Convert to fraction form
    56,884.68/85,326.48 = 19,444.32/x
  3. Step 3: Cross multiply
    56,884.68x = 85,326.48 × 19,444.32
  4. Step 4: Simplify right side
    56,884.68x = 1,659,115,381.59
  5. Step 5: Solve for x
    x = 1,659,115,381.59/56,884.68
  6. Step 6: Final answer
    x = 29,166.30

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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.