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Finding the Fourth Proportional to 60,681.48, 83,736.36 and 38,019.84

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Solution

The fourth proportional to 60,681.48, 83,736.36 and 38,019.84 is: 52,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681.48 : 83,736.36 = 38,019.84 : x
  2. Step 2: Convert to fraction form
    60,681.48/83,736.36 = 38,019.84/x
  3. Step 3: Cross multiply
    60,681.48x = 83,736.36 × 38,019.84
  4. Step 4: Simplify right side
    60,681.48x = 3,183,643,009.38
  5. Step 5: Solve for x
    x = 3,183,643,009.38/60,681.48
  6. Step 6: Final answer
    x = 52,464.82

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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.