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Finding the Fourth Proportional to 64,009.10, 96,013.65 and 63,620.30

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Solution

The fourth proportional to 64,009.10, 96,013.65 and 63,620.30 is: 95,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.10 : 96,013.65 = 63,620.30 : x
  2. Step 2: Convert to fraction form
    64,009.10/96,013.65 = 63,620.30/x
  3. Step 3: Cross multiply
    64,009.10x = 96,013.65 × 63,620.30
  4. Step 4: Simplify right side
    64,009.10x = 6,108,417,217.10
  5. Step 5: Solve for x
    x = 6,108,417,217.10/64,009.10
  6. Step 6: Final answer
    x = 95,430.45

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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.