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Finding the Fourth Proportional to 64,068.80, 88,417.88 and 35,392.40

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Solution

The fourth proportional to 64,068.80, 88,417.88 and 35,392.40 is: 48,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,068.80 : 88,417.88 = 35,392.40 : x
  2. Step 2: Convert to fraction form
    64,068.80/88,417.88 = 35,392.40/x
  3. Step 3: Cross multiply
    64,068.80x = 88,417.88 × 35,392.40
  4. Step 4: Simplify right side
    64,068.80x = 3,129,320,976.11
  5. Step 5: Solve for x
    x = 3,129,320,976.11/64,068.80
  6. Step 6: Final answer
    x = 48,843.13

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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.