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Finding the Fourth Proportional to 56,122.90, 77,462.84 and 32,263.40

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Solution

The fourth proportional to 56,122.90, 77,462.84 and 32,263.40 is: 44,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.90 : 77,462.84 = 32,263.40 : x
  2. Step 2: Convert to fraction form
    56,122.90/77,462.84 = 32,263.40/x
  3. Step 3: Cross multiply
    56,122.90x = 77,462.84 × 32,263.40
  4. Step 4: Simplify right side
    56,122.90x = 2,499,214,592.06
  5. Step 5: Solve for x
    x = 2,499,214,592.06/56,122.90
  6. Step 6: Final answer
    x = 44,531.10

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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.