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Finding the Fourth Proportional to 65,203.80, 97,838.10 and 25,762.20

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Solution

The fourth proportional to 65,203.80, 97,838.10 and 25,762.20 is: 38,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203.80 : 97,838.10 = 25,762.20 : x
  2. Step 2: Convert to fraction form
    65,203.80/97,838.10 = 25,762.20/x
  3. Step 3: Cross multiply
    65,203.80x = 97,838.10 × 25,762.20
  4. Step 4: Simplify right side
    65,203.80x = 2,520,524,699.82
  5. Step 5: Solve for x
    x = 2,520,524,699.82/65,203.80
  6. Step 6: Final answer
    x = 38,656.10

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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.