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Finding the Fourth Proportional to 85,228.01, 127,860.47 and 32,637.50

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Solution

The fourth proportional to 85,228.01, 127,860.47 and 32,637.50 is: 48,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.01 : 127,860.47 = 32,637.50 : x
  2. Step 2: Convert to fraction form
    85,228.01/127,860.47 = 32,637.50/x
  3. Step 3: Cross multiply
    85,228.01x = 127,860.47 × 32,637.50
  4. Step 4: Simplify right side
    85,228.01x = 4,173,045,531.92
  5. Step 5: Solve for x
    x = 4,173,045,531.92/85,228.01
  6. Step 6: Final answer
    x = 48,963.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.