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Finding the Fourth Proportional to 64,038.12, 88,373.99 and 35,357.68

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Solution

The fourth proportional to 64,038.12, 88,373.99 and 35,357.68 is: 48,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.12 : 88,373.99 = 35,357.68 : x
  2. Step 2: Convert to fraction form
    64,038.12/88,373.99 = 35,357.68/x
  3. Step 3: Cross multiply
    64,038.12x = 88,373.99 × 35,357.68
  4. Step 4: Simplify right side
    64,038.12x = 3,124,699,258.74
  5. Step 5: Solve for x
    x = 3,124,699,258.74/64,038.12
  6. Step 6: Final answer
    x = 48,794.36

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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.