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Finding the Fourth Proportional to 55,686.79, 83,571.70 and 22,407.14

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Solution

The fourth proportional to 55,686.79, 83,571.70 and 22,407.14 is: 33,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.79 : 83,571.70 = 22,407.14 : x
  2. Step 2: Convert to fraction form
    55,686.79/83,571.70 = 22,407.14/x
  3. Step 3: Cross multiply
    55,686.79x = 83,571.70 × 22,407.14
  4. Step 4: Simplify right side
    55,686.79x = 1,872,602,364.08
  5. Step 5: Solve for x
    x = 1,872,602,364.08/55,686.79
  6. Step 6: Final answer
    x = 33,627.41

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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.