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Finding the Fourth Proportional to 60,447.31, 83,409.79 and 33,595.40

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Solution

The fourth proportional to 60,447.31, 83,409.79 and 33,595.40 is: 46,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,447.31 : 83,409.79 = 33,595.40 : x
  2. Step 2: Convert to fraction form
    60,447.31/83,409.79 = 33,595.40/x
  3. Step 3: Cross multiply
    60,447.31x = 83,409.79 × 33,595.40
  4. Step 4: Simplify right side
    60,447.31x = 2,802,184,812.77
  5. Step 5: Solve for x
    x = 2,802,184,812.77/60,447.31
  6. Step 6: Final answer
    x = 46,357.48

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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.