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Finding the Fourth Proportional to 61,014.48, 83,945.88 and 53,813.04

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Solution

The fourth proportional to 61,014.48, 83,945.88 and 53,813.04 is: 74,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,014.48 : 83,945.88 = 53,813.04 : x
  2. Step 2: Convert to fraction form
    61,014.48/83,945.88 = 53,813.04/x
  3. Step 3: Cross multiply
    61,014.48x = 83,945.88 × 53,813.04
  4. Step 4: Simplify right side
    61,014.48x = 4,517,382,998.28
  5. Step 5: Solve for x
    x = 4,517,382,998.28/61,014.48
  6. Step 6: Final answer
    x = 74,037.88

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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.