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Finding the Fourth Proportional to 59,378.56, 81,842.88 and 47,403.52

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Solution

The fourth proportional to 59,378.56, 81,842.88 and 47,403.52 is: 65,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.56 : 81,842.88 = 47,403.52 : x
  2. Step 2: Convert to fraction form
    59,378.56/81,842.88 = 47,403.52/x
  3. Step 3: Cross multiply
    59,378.56x = 81,842.88 × 47,403.52
  4. Step 4: Simplify right side
    59,378.56x = 3,879,640,598.94
  5. Step 5: Solve for x
    x = 3,879,640,598.94/59,378.56
  6. Step 6: Final answer
    x = 65,337.40

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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.