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Finding the Fourth Proportional to 64,522.50, 96,783.76 and 17,775.38

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Solution

The fourth proportional to 64,522.50, 96,783.76 and 17,775.38 is: 26,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,522.50 : 96,783.76 = 17,775.38 : x
  2. Step 2: Convert to fraction form
    64,522.50/96,783.76 = 17,775.38/x
  3. Step 3: Cross multiply
    64,522.50x = 96,783.76 × 17,775.38
  4. Step 4: Simplify right side
    64,522.50x = 1,720,368,111.83
  5. Step 5: Solve for x
    x = 1,720,368,111.83/64,522.50
  6. Step 6: Final answer
    x = 26,663.07

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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.