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Finding the Fourth Proportional to 55,722.87, 83,487.06 and 46,422.63

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Solution

The fourth proportional to 55,722.87, 83,487.06 and 46,422.63 is: 69,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.87 : 83,487.06 = 46,422.63 : x
  2. Step 2: Convert to fraction form
    55,722.87/83,487.06 = 46,422.63/x
  3. Step 3: Cross multiply
    55,722.87x = 83,487.06 × 46,422.63
  4. Step 4: Simplify right side
    55,722.87x = 3,875,688,896.17
  5. Step 5: Solve for x
    x = 3,875,688,896.17/55,722.87
  6. Step 6: Final answer
    x = 69,552.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.