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Finding the Fourth Proportional to 53,776.89, 74,209.05 and 29,903.05

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Solution

The fourth proportional to 53,776.89, 74,209.05 and 29,903.05 is: 41,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776.89 : 74,209.05 = 29,903.05 : x
  2. Step 2: Convert to fraction form
    53,776.89/74,209.05 = 29,903.05/x
  3. Step 3: Cross multiply
    53,776.89x = 74,209.05 × 29,903.05
  4. Step 4: Simplify right side
    53,776.89x = 2,219,076,821.84
  5. Step 5: Solve for x
    x = 2,219,076,821.84/53,776.89
  6. Step 6: Final answer
    x = 41,264.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.