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Finding the Fourth Proportional to 28,967.60, 43,386.60 and 23,783.60

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Solution

The fourth proportional to 28,967.60, 43,386.60 and 23,783.60 is: 35,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.60 : 43,386.60 = 23,783.60 : x
  2. Step 2: Convert to fraction form
    28,967.60/43,386.60 = 23,783.60/x
  3. Step 3: Cross multiply
    28,967.60x = 43,386.60 × 23,783.60
  4. Step 4: Simplify right side
    28,967.60x = 1,031,889,539.76
  5. Step 5: Solve for x
    x = 1,031,889,539.76/28,967.60
  6. Step 6: Final answer
    x = 35,622.20

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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.