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Finding the Fourth Proportional to 60,530.80, 84,830.60 and 60,530.80

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Solution

The fourth proportional to 60,530.80, 84,830.60 and 60,530.80 is: 84,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,530.80 : 84,830.60 = 60,530.80 : x
  2. Step 2: Convert to fraction form
    60,530.80/84,830.60 = 60,530.80/x
  3. Step 3: Cross multiply
    60,530.80x = 84,830.60 × 60,530.80
  4. Step 4: Simplify right side
    60,530.80x = 5,134,864,082.48
  5. Step 5: Solve for x
    x = 5,134,864,082.48/60,530.80
  6. Step 6: Final answer
    x = 84,830.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.