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Finding the Fourth Proportional to 65,695.05, 90,661.68 and 37,026.11

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Solution

The fourth proportional to 65,695.05, 90,661.68 and 37,026.11 is: 51,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,695.05 : 90,661.68 = 37,026.11 : x
  2. Step 2: Convert to fraction form
    65,695.05/90,661.68 = 37,026.11/x
  3. Step 3: Cross multiply
    65,695.05x = 90,661.68 × 37,026.11
  4. Step 4: Simplify right side
    65,695.05x = 3,356,849,563.12
  5. Step 5: Solve for x
    x = 3,356,849,563.12/65,695.05
  6. Step 6: Final answer
    x = 51,097.45

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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.