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Finding the Fourth Proportional to 55,468.80, 76,493.16 and 46,970.28

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Solution

The fourth proportional to 55,468.80, 76,493.16 and 46,970.28 is: 64,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,468.80 : 76,493.16 = 46,970.28 : x
  2. Step 2: Convert to fraction form
    55,468.80/76,493.16 = 46,970.28/x
  3. Step 3: Cross multiply
    55,468.80x = 76,493.16 × 46,970.28
  4. Step 4: Simplify right side
    55,468.80x = 3,592,905,143.28
  5. Step 5: Solve for x
    x = 3,592,905,143.28/55,468.80
  6. Step 6: Final answer
    x = 64,773.44

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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.