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Finding the Fourth Proportional to 64,752.84, 97,129.44 and 18,005.76

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Solution

The fourth proportional to 64,752.84, 97,129.44 and 18,005.76 is: 27,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,752.84 : 97,129.44 = 18,005.76 : x
  2. Step 2: Convert to fraction form
    64,752.84/97,129.44 = 18,005.76/x
  3. Step 3: Cross multiply
    64,752.84x = 97,129.44 × 18,005.76
  4. Step 4: Simplify right side
    64,752.84x = 1,748,889,385.57
  5. Step 5: Solve for x
    x = 1,748,889,385.57/64,752.84
  6. Step 6: Final answer
    x = 27,008.69

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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.