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Finding the Fourth Proportional to 24,987.60, 37,485.60 and 7,459.20

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Solution

The fourth proportional to 24,987.60, 37,485.60 and 7,459.20 is: 11,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,987.60 : 37,485.60 = 7,459.20 : x
  2. Step 2: Convert to fraction form
    24,987.60/37,485.60 = 7,459.20/x
  3. Step 3: Cross multiply
    24,987.60x = 37,485.60 × 7,459.20
  4. Step 4: Simplify right side
    24,987.60x = 279,612,587.52
  5. Step 5: Solve for x
    x = 279,612,587.52/24,987.60
  6. Step 6: Final answer
    x = 11,190.05

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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.