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Finding the Fourth Proportional to 64,348.56, 88,801.48 and 38,856.08

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Solution

The fourth proportional to 64,348.56, 88,801.48 and 38,856.08 is: 53,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,348.56 : 88,801.48 = 38,856.08 : x
  2. Step 2: Convert to fraction form
    64,348.56/88,801.48 = 38,856.08/x
  3. Step 3: Cross multiply
    64,348.56x = 88,801.48 × 38,856.08
  4. Step 4: Simplify right side
    64,348.56x = 3,450,477,411.00
  5. Step 5: Solve for x
    x = 3,450,477,411.00/64,348.56
  6. Step 6: Final answer
    x = 53,621.67

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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.