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Finding the Fourth Proportional to 56,985.76, 85,486.88 and 17,532.32

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Solution

The fourth proportional to 56,985.76, 85,486.88 and 17,532.32 is: 26,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,985.76 : 85,486.88 = 17,532.32 : x
  2. Step 2: Convert to fraction form
    56,985.76/85,486.88 = 17,532.32/x
  3. Step 3: Cross multiply
    56,985.76x = 85,486.88 × 17,532.32
  4. Step 4: Simplify right side
    56,985.76x = 1,498,783,335.96
  5. Step 5: Solve for x
    x = 1,498,783,335.96/56,985.76
  6. Step 6: Final answer
    x = 26,301.02

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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.