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Finding the Fourth Proportional to 56,798.70, 84,840.02 and 55,224.06

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Solution

The fourth proportional to 56,798.70, 84,840.02 and 55,224.06 is: 82,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,798.70 : 84,840.02 = 55,224.06 : x
  2. Step 2: Convert to fraction form
    56,798.70/84,840.02 = 55,224.06/x
  3. Step 3: Cross multiply
    56,798.70x = 84,840.02 × 55,224.06
  4. Step 4: Simplify right side
    56,798.70x = 4,685,210,078.76
  5. Step 5: Solve for x
    x = 4,685,210,078.76/56,798.70
  6. Step 6: Final answer
    x = 82,487.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.