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Finding the Fourth Proportional to 7,599.90, 10,488.05 and 4,767.40

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Solution

The fourth proportional to 7,599.90, 10,488.05 and 4,767.40 is: 6,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.90 : 10,488.05 = 4,767.40 : x
  2. Step 2: Convert to fraction form
    7,599.90/10,488.05 = 4,767.40/x
  3. Step 3: Cross multiply
    7,599.90x = 10,488.05 × 4,767.40
  4. Step 4: Simplify right side
    7,599.90x = 50,000,679.51
  5. Step 5: Solve for x
    x = 50,000,679.51/7,599.90
  6. Step 6: Final answer
    x = 6,579.12

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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.