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Finding the Fourth Proportional to 58,876.56, 81,193.80 and 45,426.51

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Solution

The fourth proportional to 58,876.56, 81,193.80 and 45,426.51 is: 62,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,876.56 : 81,193.80 = 45,426.51 : x
  2. Step 2: Convert to fraction form
    58,876.56/81,193.80 = 45,426.51/x
  3. Step 3: Cross multiply
    58,876.56x = 81,193.80 × 45,426.51
  4. Step 4: Simplify right side
    58,876.56x = 3,688,350,967.64
  5. Step 5: Solve for x
    x = 3,688,350,967.64/58,876.56
  6. Step 6: Final answer
    x = 62,645.49

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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.