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Finding the Fourth Proportional to 55,698.90, 83,472.54 and 30,701.49

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Solution

The fourth proportional to 55,698.90, 83,472.54 and 30,701.49 is: 46,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698.90 : 83,472.54 = 30,701.49 : x
  2. Step 2: Convert to fraction form
    55,698.90/83,472.54 = 30,701.49/x
  3. Step 3: Cross multiply
    55,698.90x = 83,472.54 × 30,701.49
  4. Step 4: Simplify right side
    55,698.90x = 2,562,731,352.08
  5. Step 5: Solve for x
    x = 2,562,731,352.08/55,698.90
  6. Step 6: Final answer
    x = 46,010.45

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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.