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Finding the Fourth Proportional to 61,392.60, 84,697.74 and 34,528.92

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Solution

The fourth proportional to 61,392.60, 84,697.74 and 34,528.92 is: 47,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,392.60 : 84,697.74 = 34,528.92 : x
  2. Step 2: Convert to fraction form
    61,392.60/84,697.74 = 34,528.92/x
  3. Step 3: Cross multiply
    61,392.60x = 84,697.74 × 34,528.92
  4. Step 4: Simplify right side
    61,392.60x = 2,924,521,488.64
  5. Step 5: Solve for x
    x = 2,924,521,488.64/61,392.60
  6. Step 6: Final answer
    x = 47,636.38

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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.