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Finding the Fourth Proportional to 56,881.92, 85,322.88 and 15,333.12

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Solution

The fourth proportional to 56,881.92, 85,322.88 and 15,333.12 is: 22,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.92 : 85,322.88 = 15,333.12 : x
  2. Step 2: Convert to fraction form
    56,881.92/85,322.88 = 15,333.12/x
  3. Step 3: Cross multiply
    56,881.92x = 85,322.88 × 15,333.12
  4. Step 4: Simplify right side
    56,881.92x = 1,308,265,957.79
  5. Step 5: Solve for x
    x = 1,308,265,957.79/56,881.92
  6. Step 6: Final answer
    x = 22,999.68

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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.