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Finding the Fourth Proportional to 56,580.84, 77,902.56 and 43,108.92

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Solution

The fourth proportional to 56,580.84, 77,902.56 and 43,108.92 is: 59,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,580.84 : 77,902.56 = 43,108.92 : x
  2. Step 2: Convert to fraction form
    56,580.84/77,902.56 = 43,108.92/x
  3. Step 3: Cross multiply
    56,580.84x = 77,902.56 × 43,108.92
  4. Step 4: Simplify right side
    56,580.84x = 3,358,295,226.84
  5. Step 5: Solve for x
    x = 3,358,295,226.84/56,580.84
  6. Step 6: Final answer
    x = 59,353.93

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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.