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Finding the Fourth Proportional to 70,011.75, 96,582.90 and 47,358.66

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Solution

The fourth proportional to 70,011.75, 96,582.90 and 47,358.66 is: 65,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,011.75 : 96,582.90 = 47,358.66 : x
  2. Step 2: Convert to fraction form
    70,011.75/96,582.90 = 47,358.66/x
  3. Step 3: Cross multiply
    70,011.75x = 96,582.90 × 47,358.66
  4. Step 4: Simplify right side
    70,011.75x = 4,574,036,722.91
  5. Step 5: Solve for x
    x = 4,574,036,722.91/70,011.75
  6. Step 6: Final answer
    x = 65,332.42

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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.