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Finding the Fourth Proportional to 65,593.99, 90,547.13 and 44,385.56

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Solution

The fourth proportional to 65,593.99, 90,547.13 and 44,385.56 is: 61,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.99 : 90,547.13 = 44,385.56 : x
  2. Step 2: Convert to fraction form
    65,593.99/90,547.13 = 44,385.56/x
  3. Step 3: Cross multiply
    65,593.99x = 90,547.13 × 44,385.56
  4. Step 4: Simplify right side
    65,593.99x = 4,018,985,071.44
  5. Step 5: Solve for x
    x = 4,018,985,071.44/65,593.99
  6. Step 6: Final answer
    x = 61,270.63

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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.