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Finding the Fourth Proportional to 64,646.62, 96,969.95 and 17,899.49

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Solution

The fourth proportional to 64,646.62, 96,969.95 and 17,899.49 is: 26,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646.62 : 96,969.95 = 17,899.49 : x
  2. Step 2: Convert to fraction form
    64,646.62/96,969.95 = 17,899.49/x
  3. Step 3: Cross multiply
    64,646.62x = 96,969.95 × 17,899.49
  4. Step 4: Simplify right side
    64,646.62x = 1,735,712,981.57
  5. Step 5: Solve for x
    x = 1,735,712,981.57/64,646.62
  6. Step 6: Final answer
    x = 26,849.25

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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.