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Finding the Fourth Proportional to 70,643.44, 97,530.76 and 46,790.56

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Solution

The fourth proportional to 70,643.44, 97,530.76 and 46,790.56 is: 64,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,643.44 : 97,530.76 = 46,790.56 : x
  2. Step 2: Convert to fraction form
    70,643.44/97,530.76 = 46,790.56/x
  3. Step 3: Cross multiply
    70,643.44x = 97,530.76 × 46,790.56
  4. Step 4: Simplify right side
    70,643.44x = 4,563,518,877.63
  5. Step 5: Solve for x
    x = 4,563,518,877.63/70,643.44
  6. Step 6: Final answer
    x = 64,599.33

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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.