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Finding the Fourth Proportional to 4,657.10, 7,000.05 and 4,570.70

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Solution

The fourth proportional to 4,657.10, 7,000.05 and 4,570.70 is: 6,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.10 : 7,000.05 = 4,570.70 : x
  2. Step 2: Convert to fraction form
    4,657.10/7,000.05 = 4,570.70/x
  3. Step 3: Cross multiply
    4,657.10x = 7,000.05 × 4,570.70
  4. Step 4: Simplify right side
    4,657.10x = 31,995,128.54
  5. Step 5: Solve for x
    x = 31,995,128.54/4,657.10
  6. Step 6: Final answer
    x = 6,870.18

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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.