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Finding the Fourth Proportional to 64,220.40, 88,628.04 and 35,925.48

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Solution

The fourth proportional to 64,220.40, 88,628.04 and 35,925.48 is: 49,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.40 : 88,628.04 = 35,925.48 : x
  2. Step 2: Convert to fraction form
    64,220.40/88,628.04 = 35,925.48/x
  3. Step 3: Cross multiply
    64,220.40x = 88,628.04 × 35,925.48
  4. Step 4: Simplify right side
    64,220.40x = 3,184,004,878.46
  5. Step 5: Solve for x
    x = 3,184,004,878.46/64,220.40
  6. Step 6: Final answer
    x = 49,579.34

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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.