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Finding the Fourth Proportional to 46,898.90, 64,720.86 and 25,678.34

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Solution

The fourth proportional to 46,898.90, 64,720.86 and 25,678.34 is: 35,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,898.90 : 64,720.86 = 25,678.34 : x
  2. Step 2: Convert to fraction form
    46,898.90/64,720.86 = 25,678.34/x
  3. Step 3: Cross multiply
    46,898.90x = 64,720.86 × 25,678.34
  4. Step 4: Simplify right side
    46,898.90x = 1,661,924,248.17
  5. Step 5: Solve for x
    x = 1,661,924,248.17/46,898.90
  6. Step 6: Final answer
    x = 35,436.32

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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.