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Finding the Fourth Proportional to 58,436.79, 80,649.87 and 32,948.07

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Solution

The fourth proportional to 58,436.79, 80,649.87 and 32,948.07 is: 45,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,436.79 : 80,649.87 = 32,948.07 : x
  2. Step 2: Convert to fraction form
    58,436.79/80,649.87 = 32,948.07/x
  3. Step 3: Cross multiply
    58,436.79x = 80,649.87 × 32,948.07
  4. Step 4: Simplify right side
    58,436.79x = 2,657,257,562.25
  5. Step 5: Solve for x
    x = 2,657,257,562.25/58,436.79
  6. Step 6: Final answer
    x = 45,472.34

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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.