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Finding the Fourth Proportional to 44,169.79, 66,275.94 and 21,985.10

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Solution

The fourth proportional to 44,169.79, 66,275.94 and 21,985.10 is: 32,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,169.79 : 66,275.94 = 21,985.10 : x
  2. Step 2: Convert to fraction form
    44,169.79/66,275.94 = 21,985.10/x
  3. Step 3: Cross multiply
    44,169.79x = 66,275.94 × 21,985.10
  4. Step 4: Simplify right side
    44,169.79x = 1,457,083,058.57
  5. Step 5: Solve for x
    x = 1,457,083,058.57/44,169.79
  6. Step 6: Final answer
    x = 32,988.23

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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.