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Finding the Fourth Proportional to 5,752,658.43, 7,932,231.40 and 4,702,802.88

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Solution

The fourth proportional to 5,752,658.43, 7,932,231.40 and 4,702,802.88 is: 6,484,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752,658.43 : 7,932,231.40 = 4,702,802.88 : x
  2. Step 2: Convert to fraction form
    5,752,658.43/7,932,231.40 = 4,702,802.88/x
  3. Step 3: Cross multiply
    5,752,658.43x = 7,932,231.40 × 4,702,802.88
  4. Step 4: Simplify right side
    5,752,658.43x = 37,303,720,672,746.43
  5. Step 5: Solve for x
    x = 37,303,720,672,746.43/5,752,658.43
  6. Step 6: Final answer
    x = 6,484,605.53

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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.