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Finding the Fourth Proportional to 58,708.80, 81,014.40 and 33,557.76

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Solution

The fourth proportional to 58,708.80, 81,014.40 and 33,557.76 is: 46,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.80 : 81,014.40 = 33,557.76 : x
  2. Step 2: Convert to fraction form
    58,708.80/81,014.40 = 33,557.76/x
  3. Step 3: Cross multiply
    58,708.80x = 81,014.40 × 33,557.76
  4. Step 4: Simplify right side
    58,708.80x = 2,718,661,791.74
  5. Step 5: Solve for x
    x = 2,718,661,791.74/58,708.80
  6. Step 6: Final answer
    x = 46,307.57

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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.