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Finding the Fourth Proportional to 69,655.95, 96,140.52 and 45,784.85

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Solution

The fourth proportional to 69,655.95, 96,140.52 and 45,784.85 is: 63,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.95 : 96,140.52 = 45,784.85 : x
  2. Step 2: Convert to fraction form
    69,655.95/96,140.52 = 45,784.85/x
  3. Step 3: Cross multiply
    69,655.95x = 96,140.52 × 45,784.85
  4. Step 4: Simplify right side
    69,655.95x = 4,401,778,806.42
  5. Step 5: Solve for x
    x = 4,401,778,806.42/69,655.95
  6. Step 6: Final answer
    x = 63,193.15

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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.