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Finding the Fourth Proportional to 56,432.76, 77,877.90 and 32,564.40

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Solution

The fourth proportional to 56,432.76, 77,877.90 and 32,564.40 is: 44,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.76 : 77,877.90 = 32,564.40 : x
  2. Step 2: Convert to fraction form
    56,432.76/77,877.90 = 32,564.40/x
  3. Step 3: Cross multiply
    56,432.76x = 77,877.90 × 32,564.40
  4. Step 4: Simplify right side
    56,432.76x = 2,536,047,086.76
  5. Step 5: Solve for x
    x = 2,536,047,086.76/56,432.76
  6. Step 6: Final answer
    x = 44,939.27

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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.