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Finding the Fourth Proportional to 4,701.84, 7,065.72 and 4,416.72

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Solution

The fourth proportional to 4,701.84, 7,065.72 and 4,416.72 is: 6,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.84 : 7,065.72 = 4,416.72 : x
  2. Step 2: Convert to fraction form
    4,701.84/7,065.72 = 4,416.72/x
  3. Step 3: Cross multiply
    4,701.84x = 7,065.72 × 4,416.72
  4. Step 4: Simplify right side
    4,701.84x = 31,207,306.84
  5. Step 5: Solve for x
    x = 31,207,306.84/4,701.84
  6. Step 6: Final answer
    x = 6,637.25

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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.