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Finding the Fourth Proportional to 60,999.68, 91,499.67 and 39,957.36

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Solution

The fourth proportional to 60,999.68, 91,499.67 and 39,957.36 is: 59,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.68 : 91,499.67 = 39,957.36 : x
  2. Step 2: Convert to fraction form
    60,999.68/91,499.67 = 39,957.36/x
  3. Step 3: Cross multiply
    60,999.68x = 91,499.67 × 39,957.36
  4. Step 4: Simplify right side
    60,999.68x = 3,656,085,254.07
  5. Step 5: Solve for x
    x = 3,656,085,254.07/60,999.68
  6. Step 6: Final answer
    x = 59,936.14

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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.