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Finding the Fourth Proportional to 64,955.40, 97,360.20 and 27,509.10

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Solution

The fourth proportional to 64,955.40, 97,360.20 and 27,509.10 is: 41,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.40 : 97,360.20 = 27,509.10 : x
  2. Step 2: Convert to fraction form
    64,955.40/97,360.20 = 27,509.10/x
  3. Step 3: Cross multiply
    64,955.40x = 97,360.20 × 27,509.10
  4. Step 4: Simplify right side
    64,955.40x = 2,678,291,477.82
  5. Step 5: Solve for x
    x = 2,678,291,477.82/64,955.40
  6. Step 6: Final answer
    x = 41,232.78

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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.