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Finding the Fourth Proportional to 63,256.60, 94,890.30 and 21,703.60

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Solution

The fourth proportional to 63,256.60, 94,890.30 and 21,703.60 is: 32,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,256.60 : 94,890.30 = 21,703.60 : x
  2. Step 2: Convert to fraction form
    63,256.60/94,890.30 = 21,703.60/x
  3. Step 3: Cross multiply
    63,256.60x = 94,890.30 × 21,703.60
  4. Step 4: Simplify right side
    63,256.60x = 2,059,461,115.08
  5. Step 5: Solve for x
    x = 2,059,461,115.08/63,256.60
  6. Step 6: Final answer
    x = 32,557.25

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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.