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Finding the Fourth Proportional to 64,710.83, 97,066.17 and 20,341.46

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Solution

The fourth proportional to 64,710.83, 97,066.17 and 20,341.46 is: 30,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.83 : 97,066.17 = 20,341.46 : x
  2. Step 2: Convert to fraction form
    64,710.83/97,066.17 = 20,341.46/x
  3. Step 3: Cross multiply
    64,710.83x = 97,066.17 × 20,341.46
  4. Step 4: Simplify right side
    64,710.83x = 1,974,467,129.08
  5. Step 5: Solve for x
    x = 1,974,467,129.08/64,710.83
  6. Step 6: Final answer
    x = 30,512.16

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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.