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Finding the Fourth Proportional to 60,980.28, 91,927.44 and 56,916.12

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Solution

The fourth proportional to 60,980.28, 91,927.44 and 56,916.12 is: 85,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,980.28 : 91,927.44 = 56,916.12 : x
  2. Step 2: Convert to fraction form
    60,980.28/91,927.44 = 56,916.12/x
  3. Step 3: Cross multiply
    60,980.28x = 91,927.44 × 56,916.12
  4. Step 4: Simplify right side
    60,980.28x = 5,232,153,206.33
  5. Step 5: Solve for x
    x = 5,232,153,206.33/60,980.28
  6. Step 6: Final answer
    x = 85,800.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.