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Finding the Fourth Proportional to 61,088.01, 91,609.53 and 21,096.84

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Solution

The fourth proportional to 61,088.01, 91,609.53 and 21,096.84 is: 31,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,088.01 : 91,609.53 = 21,096.84 : x
  2. Step 2: Convert to fraction form
    61,088.01/91,609.53 = 21,096.84/x
  3. Step 3: Cross multiply
    61,088.01x = 91,609.53 × 21,096.84
  4. Step 4: Simplify right side
    61,088.01x = 1,932,671,596.89
  5. Step 5: Solve for x
    x = 1,932,671,596.89/61,088.01
  6. Step 6: Final answer
    x = 31,637.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.