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Finding the Fourth Proportional to 58,603.70, 87,905.55 and 30,955.70

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Solution

The fourth proportional to 58,603.70, 87,905.55 and 30,955.70 is: 46,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.70 : 87,905.55 = 30,955.70 : x
  2. Step 2: Convert to fraction form
    58,603.70/87,905.55 = 30,955.70/x
  3. Step 3: Cross multiply
    58,603.70x = 87,905.55 × 30,955.70
  4. Step 4: Simplify right side
    58,603.70x = 2,721,177,834.14
  5. Step 5: Solve for x
    x = 2,721,177,834.14/58,603.70
  6. Step 6: Final answer
    x = 46,433.55

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Similar ratio
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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.