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Finding the Fourth Proportional to 7,590.51, 10,476.26 and 4,905.06

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Solution

The fourth proportional to 7,590.51, 10,476.26 and 4,905.06 is: 6,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.51 : 10,476.26 = 4,905.06 : x
  2. Step 2: Convert to fraction form
    7,590.51/10,476.26 = 4,905.06/x
  3. Step 3: Cross multiply
    7,590.51x = 10,476.26 × 4,905.06
  4. Step 4: Simplify right side
    7,590.51x = 51,386,652.25
  5. Step 5: Solve for x
    x = 51,386,652.25/7,590.51
  6. Step 6: Final answer
    x = 6,769.86

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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.