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Finding the Fourth Proportional to 64,006.54, 88,263.48 and 42,488.70

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Solution

The fourth proportional to 64,006.54, 88,263.48 and 42,488.70 is: 58,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.54 : 88,263.48 = 42,488.70 : x
  2. Step 2: Convert to fraction form
    64,006.54/88,263.48 = 42,488.70/x
  3. Step 3: Cross multiply
    64,006.54x = 88,263.48 × 42,488.70
  4. Step 4: Simplify right side
    64,006.54x = 3,750,200,522.68
  5. Step 5: Solve for x
    x = 3,750,200,522.68/64,006.54
  6. Step 6: Final answer
    x = 58,590.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.