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Finding the Fourth Proportional to 64,326.80, 96,484.74 and 19,952.60

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Solution

The fourth proportional to 64,326.80, 96,484.74 and 19,952.60 is: 29,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,326.80 : 96,484.74 = 19,952.60 : x
  2. Step 2: Convert to fraction form
    64,326.80/96,484.74 = 19,952.60/x
  3. Step 3: Cross multiply
    64,326.80x = 96,484.74 × 19,952.60
  4. Step 4: Simplify right side
    64,326.80x = 1,925,121,423.32
  5. Step 5: Solve for x
    x = 1,925,121,423.32/64,326.80
  6. Step 6: Final answer
    x = 29,927.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.