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Finding the Fourth Proportional to 4,658.32, 6,430.08 and 4,520.08

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Solution

The fourth proportional to 4,658.32, 6,430.08 and 4,520.08 is: 6,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.32 : 6,430.08 = 4,520.08 : x
  2. Step 2: Convert to fraction form
    4,658.32/6,430.08 = 4,520.08/x
  3. Step 3: Cross multiply
    4,658.32x = 6,430.08 × 4,520.08
  4. Step 4: Simplify right side
    4,658.32x = 29,064,476.01
  5. Step 5: Solve for x
    x = 29,064,476.01/4,658.32
  6. Step 6: Final answer
    x = 6,239.26

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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.