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Finding the Fourth Proportional to 61,070.76, 84,223.80 and 44,070.48

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Solution

The fourth proportional to 61,070.76, 84,223.80 and 44,070.48 is: 60,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070.76 : 84,223.80 = 44,070.48 : x
  2. Step 2: Convert to fraction form
    61,070.76/84,223.80 = 44,070.48/x
  3. Step 3: Cross multiply
    61,070.76x = 84,223.80 × 44,070.48
  4. Step 4: Simplify right side
    61,070.76x = 3,711,783,293.42
  5. Step 5: Solve for x
    x = 3,711,783,293.42/61,070.76
  6. Step 6: Final answer
    x = 60,778.40

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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.