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Finding the Fourth Proportional to 58,064.03, 80,128.30 and 32,913.53

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Solution

The fourth proportional to 58,064.03, 80,128.30 and 32,913.53 is: 45,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,064.03 : 80,128.30 = 32,913.53 : x
  2. Step 2: Convert to fraction form
    58,064.03/80,128.30 = 32,913.53/x
  3. Step 3: Cross multiply
    58,064.03x = 80,128.30 × 32,913.53
  4. Step 4: Simplify right side
    58,064.03x = 2,637,305,205.90
  5. Step 5: Solve for x
    x = 2,637,305,205.90/58,064.03
  6. Step 6: Final answer
    x = 45,420.64

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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.