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Finding the Fourth Proportional to 64,088.74, 96,133.12 and 41,920.76

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Solution

The fourth proportional to 64,088.74, 96,133.12 and 41,920.76 is: 62,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,088.74 : 96,133.12 = 41,920.76 : x
  2. Step 2: Convert to fraction form
    64,088.74/96,133.12 = 41,920.76/x
  3. Step 3: Cross multiply
    64,088.74x = 96,133.12 × 41,920.76
  4. Step 4: Simplify right side
    64,088.74x = 4,029,973,451.57
  5. Step 5: Solve for x
    x = 4,029,973,451.57/64,088.74
  6. Step 6: Final answer
    x = 62,881.15

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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.