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Finding the Fourth Proportional to 77,832.55, 107,404.54 and 46,004.41

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Solution

The fourth proportional to 77,832.55, 107,404.54 and 46,004.41 is: 63,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,832.55 : 107,404.54 = 46,004.41 : x
  2. Step 2: Convert to fraction form
    77,832.55/107,404.54 = 46,004.41/x
  3. Step 3: Cross multiply
    77,832.55x = 107,404.54 × 46,004.41
  4. Step 4: Simplify right side
    77,832.55x = 4,941,082,494.02
  5. Step 5: Solve for x
    x = 4,941,082,494.02/77,832.55
  6. Step 6: Final answer
    x = 63,483.50

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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.