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Finding the Fourth Proportional to 70,653.54, 97,445.40 and 46,479.30

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Solution

The fourth proportional to 70,653.54, 97,445.40 and 46,479.30 is: 64,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653.54 : 97,445.40 = 46,479.30 : x
  2. Step 2: Convert to fraction form
    70,653.54/97,445.40 = 46,479.30/x
  3. Step 3: Cross multiply
    70,653.54x = 97,445.40 × 46,479.30
  4. Step 4: Simplify right side
    70,653.54x = 4,529,193,980.22
  5. Step 5: Solve for x
    x = 4,529,193,980.22/70,653.54
  6. Step 6: Final answer
    x = 64,104.28

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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.