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Finding the Fourth Proportional to 64,055.32, 88,370.92 and 42,800.92

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Solution

The fourth proportional to 64,055.32, 88,370.92 and 42,800.92 is: 59,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,055.32 : 88,370.92 = 42,800.92 : x
  2. Step 2: Convert to fraction form
    64,055.32/88,370.92 = 42,800.92/x
  3. Step 3: Cross multiply
    64,055.32x = 88,370.92 × 42,800.92
  4. Step 4: Simplify right side
    64,055.32x = 3,782,356,677.25
  5. Step 5: Solve for x
    x = 3,782,356,677.25/64,055.32
  6. Step 6: Final answer
    x = 59,048.28

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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.