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Finding the Fourth Proportional to 61,555.95, 84,939.03 and 34,699.59

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Solution

The fourth proportional to 61,555.95, 84,939.03 and 34,699.59 is: 47,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.95 : 84,939.03 = 34,699.59 : x
  2. Step 2: Convert to fraction form
    61,555.95/84,939.03 = 34,699.59/x
  3. Step 3: Cross multiply
    61,555.95x = 84,939.03 × 34,699.59
  4. Step 4: Simplify right side
    61,555.95x = 2,947,349,516.00
  5. Step 5: Solve for x
    x = 2,947,349,516.00/61,555.95
  6. Step 6: Final answer
    x = 47,880.82

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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.