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Finding the Fourth Proportional to 44,690.79, 67,045.40 and 13,101.89

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Solution

The fourth proportional to 44,690.79, 67,045.40 and 13,101.89 is: 19,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,690.79 : 67,045.40 = 13,101.89 : x
  2. Step 2: Convert to fraction form
    44,690.79/67,045.40 = 13,101.89/x
  3. Step 3: Cross multiply
    44,690.79x = 67,045.40 × 13,101.89
  4. Step 4: Simplify right side
    44,690.79x = 878,421,455.81
  5. Step 5: Solve for x
    x = 878,421,455.81/44,690.79
  6. Step 6: Final answer
    x = 19,655.54

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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.