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Finding the Fourth Proportional to 61,445.58, 84,808.80 and 37,592.16

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Solution

The fourth proportional to 61,445.58, 84,808.80 and 37,592.16 is: 51,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,445.58 : 84,808.80 = 37,592.16 : x
  2. Step 2: Convert to fraction form
    61,445.58/84,808.80 = 37,592.16/x
  3. Step 3: Cross multiply
    61,445.58x = 84,808.80 × 37,592.16
  4. Step 4: Simplify right side
    61,445.58x = 3,188,145,979.01
  5. Step 5: Solve for x
    x = 3,188,145,979.01/61,445.58
  6. Step 6: Final answer
    x = 51,885.68

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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.