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Finding the Fourth Proportional to 56,153.32, 77,458.02 and 33,793

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Solution

The fourth proportional to 56,153.32, 77,458.02 and 33,793 is: 46,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,153.32 : 77,458.02 = 33,793 : x
  2. Step 2: Convert to fraction form
    56,153.32/77,458.02 = 33,793/x
  3. Step 3: Cross multiply
    56,153.32x = 77,458.02 × 33,793
  4. Step 4: Simplify right side
    56,153.32x = 2,617,538,869.86
  5. Step 5: Solve for x
    x = 2,617,538,869.86/56,153.32
  6. Step 6: Final answer
    x = 46,614.14

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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.