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Finding the Fourth Proportional to 46,643.84, 64,369.52 and 25,424.16

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Solution

The fourth proportional to 46,643.84, 64,369.52 and 25,424.16 is: 35,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,643.84 : 64,369.52 = 25,424.16 : x
  2. Step 2: Convert to fraction form
    46,643.84/64,369.52 = 25,424.16/x
  3. Step 3: Cross multiply
    46,643.84x = 64,369.52 × 25,424.16
  4. Step 4: Simplify right side
    46,643.84x = 1,636,540,975.60
  5. Step 5: Solve for x
    x = 1,636,540,975.60/46,643.84
  6. Step 6: Final answer
    x = 35,085.90

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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.