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Finding the Fourth Proportional to 64,148.84, 88,528.10 and 35,854.50

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Solution

The fourth proportional to 64,148.84, 88,528.10 and 35,854.50 is: 49,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,148.84 : 88,528.10 = 35,854.50 : x
  2. Step 2: Convert to fraction form
    64,148.84/88,528.10 = 35,854.50/x
  3. Step 3: Cross multiply
    64,148.84x = 88,528.10 × 35,854.50
  4. Step 4: Simplify right side
    64,148.84x = 3,174,130,582.18
  5. Step 5: Solve for x
    x = 3,174,130,582.18/64,148.84
  6. Step 6: Final answer
    x = 49,480.72

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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.