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Finding the Fourth Proportional to 65,210.88, 97,751.52 and 38,876.16

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Solution

The fourth proportional to 65,210.88, 97,751.52 and 38,876.16 is: 58,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,210.88 : 97,751.52 = 38,876.16 : x
  2. Step 2: Convert to fraction form
    65,210.88/97,751.52 = 38,876.16/x
  3. Step 3: Cross multiply
    65,210.88x = 97,751.52 × 38,876.16
  4. Step 4: Simplify right side
    65,210.88x = 3,800,203,731.76
  5. Step 5: Solve for x
    x = 3,800,203,731.76/65,210.88
  6. Step 6: Final answer
    x = 58,275.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.