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Finding the Fourth Proportional to 64,284.95, 96,442.82 and 26,824.18

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Solution

The fourth proportional to 64,284.95, 96,442.82 and 26,824.18 is: 40,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,284.95 : 96,442.82 = 26,824.18 : x
  2. Step 2: Convert to fraction form
    64,284.95/96,442.82 = 26,824.18/x
  3. Step 3: Cross multiply
    64,284.95x = 96,442.82 × 26,824.18
  4. Step 4: Simplify right side
    64,284.95x = 2,586,999,740.83
  5. Step 5: Solve for x
    x = 2,586,999,740.83/64,284.95
  6. Step 6: Final answer
    x = 40,242.70

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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.