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Finding the Fourth Proportional to 7,752.60, 10,699.02 and 4,394.16

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Solution

The fourth proportional to 7,752.60, 10,699.02 and 4,394.16 is: 6,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.60 : 10,699.02 = 4,394.16 : x
  2. Step 2: Convert to fraction form
    7,752.60/10,699.02 = 4,394.16/x
  3. Step 3: Cross multiply
    7,752.60x = 10,699.02 × 4,394.16
  4. Step 4: Simplify right side
    7,752.60x = 47,013,205.72
  5. Step 5: Solve for x
    x = 47,013,205.72/7,752.60
  6. Step 6: Final answer
    x = 6,064.19

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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.