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Finding the Fourth Proportional to 15,907.20, 23,860.80 and 15,302.40

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Solution

The fourth proportional to 15,907.20, 23,860.80 and 15,302.40 is: 22,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.20 : 23,860.80 = 15,302.40 : x
  2. Step 2: Convert to fraction form
    15,907.20/23,860.80 = 15,302.40/x
  3. Step 3: Cross multiply
    15,907.20x = 23,860.80 × 15,302.40
  4. Step 4: Simplify right side
    15,907.20x = 365,127,505.92
  5. Step 5: Solve for x
    x = 365,127,505.92/15,907.20
  6. Step 6: Final answer
    x = 22,953.60

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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.