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Finding the Fourth Proportional to 56,133.55, 77,493 and 43,358.14

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Solution

The fourth proportional to 56,133.55, 77,493 and 43,358.14 is: 59,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.55 : 77,493 = 43,358.14 : x
  2. Step 2: Convert to fraction form
    56,133.55/77,493 = 43,358.14/x
  3. Step 3: Cross multiply
    56,133.55x = 77,493 × 43,358.14
  4. Step 4: Simplify right side
    56,133.55x = 3,359,952,343.02
  5. Step 5: Solve for x
    x = 3,359,952,343.02/56,133.55
  6. Step 6: Final answer
    x = 59,856.40

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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.