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Finding the Fourth Proportional to 60,975.84, 91,094.28 and 38,610.12

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Solution

The fourth proportional to 60,975.84, 91,094.28 and 38,610.12 is: 57,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,975.84 : 91,094.28 = 38,610.12 : x
  2. Step 2: Convert to fraction form
    60,975.84/91,094.28 = 38,610.12/x
  3. Step 3: Cross multiply
    60,975.84x = 91,094.28 × 38,610.12
  4. Step 4: Simplify right side
    60,975.84x = 3,517,161,082.11
  5. Step 5: Solve for x
    x = 3,517,161,082.11/60,975.84
  6. Step 6: Final answer
    x = 57,681.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.