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Finding the Fourth Proportional to 64,274.54, 88,703.98 and 47,356.07

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Solution

The fourth proportional to 64,274.54, 88,703.98 and 47,356.07 is: 65,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,274.54 : 88,703.98 = 47,356.07 : x
  2. Step 2: Convert to fraction form
    64,274.54/88,703.98 = 47,356.07/x
  3. Step 3: Cross multiply
    64,274.54x = 88,703.98 × 47,356.07
  4. Step 4: Simplify right side
    64,274.54x = 4,200,671,324.25
  5. Step 5: Solve for x
    x = 4,200,671,324.25/64,274.54
  6. Step 6: Final answer
    x = 65,355.14

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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.