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Finding the Fourth Proportional to 56,997.79, 85,496.72 and 14,877.76

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Solution

The fourth proportional to 56,997.79, 85,496.72 and 14,877.76 is: 22,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.79 : 85,496.72 = 14,877.76 : x
  2. Step 2: Convert to fraction form
    56,997.79/85,496.72 = 14,877.76/x
  3. Step 3: Cross multiply
    56,997.79x = 85,496.72 × 14,877.76
  4. Step 4: Simplify right side
    56,997.79x = 1,271,999,553.12
  5. Step 5: Solve for x
    x = 1,271,999,553.12/56,997.79
  6. Step 6: Final answer
    x = 22,316.65

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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.