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Finding the Fourth Proportional to 77,585.45, 107,068.01 and 44,051.45

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Solution

The fourth proportional to 77,585.45, 107,068.01 and 44,051.45 is: 60,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,585.45 : 107,068.01 = 44,051.45 : x
  2. Step 2: Convert to fraction form
    77,585.45/107,068.01 = 44,051.45/x
  3. Step 3: Cross multiply
    77,585.45x = 107,068.01 × 44,051.45
  4. Step 4: Simplify right side
    77,585.45x = 4,716,501,089.11
  5. Step 5: Solve for x
    x = 4,716,501,089.11/77,585.45
  6. Step 6: Final answer
    x = 60,791.05

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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.