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Finding the Fourth Proportional to 62,879.93, 86,775.95 and 34,586.36

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Solution

The fourth proportional to 62,879.93, 86,775.95 and 34,586.36 is: 47,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,879.93 : 86,775.95 = 34,586.36 : x
  2. Step 2: Convert to fraction form
    62,879.93/86,775.95 = 34,586.36/x
  3. Step 3: Cross multiply
    62,879.93x = 86,775.95 × 34,586.36
  4. Step 4: Simplify right side
    62,879.93x = 3,001,264,246.04
  5. Step 5: Solve for x
    x = 3,001,264,246.04/62,879.93
  6. Step 6: Final answer
    x = 47,730.08

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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.