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Finding the Fourth Proportional to 15,907.64, 23,869.98 and 9,346.60

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Solution

The fourth proportional to 15,907.64, 23,869.98 and 9,346.60 is: 14,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.64 : 23,869.98 = 9,346.60 : x
  2. Step 2: Convert to fraction form
    15,907.64/23,869.98 = 9,346.60/x
  3. Step 3: Cross multiply
    15,907.64x = 23,869.98 × 9,346.60
  4. Step 4: Simplify right side
    15,907.64x = 223,103,155.07
  5. Step 5: Solve for x
    x = 223,103,155.07/15,907.64
  6. Step 6: Final answer
    x = 14,024.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.