Home / 52,528.85-72,489.79-28,655.47

Finding the Fourth Proportional to 52,528.85, 72,489.79 and 28,655.47

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Solution

The fourth proportional to 52,528.85, 72,489.79 and 28,655.47 is: 39,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,528.85 : 72,489.79 = 28,655.47 : x
  2. Step 2: Convert to fraction form
    52,528.85/72,489.79 = 28,655.47/x
  3. Step 3: Cross multiply
    52,528.85x = 72,489.79 × 28,655.47
  4. Step 4: Simplify right side
    52,528.85x = 2,077,228,967.90
  5. Step 5: Solve for x
    x = 2,077,228,967.90/52,528.85
  6. Step 6: Final answer
    x = 39,544.53

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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.