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Finding the Fourth Proportional to 61,390.32, 84,694.65 and 34,526.67

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Solution

The fourth proportional to 61,390.32, 84,694.65 and 34,526.67 is: 47,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,390.32 : 84,694.65 = 34,526.67 : x
  2. Step 2: Convert to fraction form
    61,390.32/84,694.65 = 34,526.67/x
  3. Step 3: Cross multiply
    61,390.32x = 84,694.65 × 34,526.67
  4. Step 4: Simplify right side
    61,390.32x = 2,924,224,231.32
  5. Step 5: Solve for x
    x = 2,924,224,231.32/61,390.32
  6. Step 6: Final answer
    x = 47,633.31

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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.