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Finding the Fourth Proportional to 62,795.28, 86,573.70 and 53,804.28

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Solution

The fourth proportional to 62,795.28, 86,573.70 and 53,804.28 is: 74,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,795.28 : 86,573.70 = 53,804.28 : x
  2. Step 2: Convert to fraction form
    62,795.28/86,573.70 = 53,804.28/x
  3. Step 3: Cross multiply
    62,795.28x = 86,573.70 × 53,804.28
  4. Step 4: Simplify right side
    62,795.28x = 4,658,035,595.44
  5. Step 5: Solve for x
    x = 4,658,035,595.44/62,795.28
  6. Step 6: Final answer
    x = 74,178.12

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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.