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Finding the Fourth Proportional to 70,746.94, 97,644.64 and 40,552.48

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Solution

The fourth proportional to 70,746.94, 97,644.64 and 40,552.48 is: 55,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.94 : 97,644.64 = 40,552.48 : x
  2. Step 2: Convert to fraction form
    70,746.94/97,644.64 = 40,552.48/x
  3. Step 3: Cross multiply
    70,746.94x = 97,644.64 × 40,552.48
  4. Step 4: Simplify right side
    70,746.94x = 3,959,732,407.42
  5. Step 5: Solve for x
    x = 3,959,732,407.42/70,746.94
  6. Step 6: Final answer
    x = 55,970.37

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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.