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Finding the Fourth Proportional to 70,642.94, 97,530.07 and 46,790.06

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Solution

The fourth proportional to 70,642.94, 97,530.07 and 46,790.06 is: 64,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,642.94 : 97,530.07 = 46,790.06 : x
  2. Step 2: Convert to fraction form
    70,642.94/97,530.07 = 46,790.06/x
  3. Step 3: Cross multiply
    70,642.94x = 97,530.07 × 46,790.06
  4. Step 4: Simplify right side
    70,642.94x = 4,563,437,827.10
  5. Step 5: Solve for x
    x = 4,563,437,827.10/70,642.94
  6. Step 6: Final answer
    x = 64,598.64

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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.