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Finding the Fourth Proportional to 56,898.48, 78,475.54 and 36,482.48

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Solution

The fourth proportional to 56,898.48, 78,475.54 and 36,482.48 is: 50,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898.48 : 78,475.54 = 36,482.48 : x
  2. Step 2: Convert to fraction form
    56,898.48/78,475.54 = 36,482.48/x
  3. Step 3: Cross multiply
    56,898.48x = 78,475.54 × 36,482.48
  4. Step 4: Simplify right side
    56,898.48x = 2,862,982,318.54
  5. Step 5: Solve for x
    x = 2,862,982,318.54/56,898.48
  6. Step 6: Final answer
    x = 50,317.38

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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.