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Finding the Fourth Proportional to 75,062.70, 103,585.63 and 41,070.79

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Solution

The fourth proportional to 75,062.70, 103,585.63 and 41,070.79 is: 56,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.70 : 103,585.63 = 41,070.79 : x
  2. Step 2: Convert to fraction form
    75,062.70/103,585.63 = 41,070.79/x
  3. Step 3: Cross multiply
    75,062.70x = 103,585.63 × 41,070.79
  4. Step 4: Simplify right side
    75,062.70x = 4,254,343,656.75
  5. Step 5: Solve for x
    x = 4,254,343,656.75/75,062.70
  6. Step 6: Final answer
    x = 56,677.20

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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.