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Finding the Fourth Proportional to 52,668.91, 72,745.44 and 35,643.63

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Solution

The fourth proportional to 52,668.91, 72,745.44 and 35,643.63 is: 49,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.91 : 72,745.44 = 35,643.63 : x
  2. Step 2: Convert to fraction form
    52,668.91/72,745.44 = 35,643.63/x
  3. Step 3: Cross multiply
    52,668.91x = 72,745.44 × 35,643.63
  4. Step 4: Simplify right side
    52,668.91x = 2,592,911,547.55
  5. Step 5: Solve for x
    x = 2,592,911,547.55/52,668.91
  6. Step 6: Final answer
    x = 49,230.40

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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.