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Finding the Fourth Proportional to 26,307.60, 39,466.92 and 7,587.60

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Solution

The fourth proportional to 26,307.60, 39,466.92 and 7,587.60 is: 11,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,307.60 : 39,466.92 = 7,587.60 : x
  2. Step 2: Convert to fraction form
    26,307.60/39,466.92 = 7,587.60/x
  3. Step 3: Cross multiply
    26,307.60x = 39,466.92 × 7,587.60
  4. Step 4: Simplify right side
    26,307.60x = 299,459,202.19
  5. Step 5: Solve for x
    x = 299,459,202.19/26,307.60
  6. Step 6: Final answer
    x = 11,382.99

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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.