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Finding the Fourth Proportional to 8,907.30, 12,287.70 and 7,595.10

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Solution

The fourth proportional to 8,907.30, 12,287.70 and 7,595.10 is: 10,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.30 : 12,287.70 = 7,595.10 : x
  2. Step 2: Convert to fraction form
    8,907.30/12,287.70 = 7,595.10/x
  3. Step 3: Cross multiply
    8,907.30x = 12,287.70 × 7,595.10
  4. Step 4: Simplify right side
    8,907.30x = 93,326,310.27
  5. Step 5: Solve for x
    x = 93,326,310.27/8,907.30
  6. Step 6: Final answer
    x = 10,477.51

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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.