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Finding the Fourth Proportional to 56,602.76, 78,165.26 and 36,495.72

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Solution

The fourth proportional to 56,602.76, 78,165.26 and 36,495.72 is: 50,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,602.76 : 78,165.26 = 36,495.72 : x
  2. Step 2: Convert to fraction form
    56,602.76/78,165.26 = 36,495.72/x
  3. Step 3: Cross multiply
    56,602.76x = 78,165.26 × 36,495.72
  4. Step 4: Simplify right side
    56,602.76x = 2,852,697,442.69
  5. Step 5: Solve for x
    x = 2,852,697,442.69/56,602.76
  6. Step 6: Final answer
    x = 50,398.56

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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.