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Finding the Fourth Proportional to 63,095.60, 94,643.40 and 18,718.40

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Solution

The fourth proportional to 63,095.60, 94,643.40 and 18,718.40 is: 28,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,095.60 : 94,643.40 = 18,718.40 : x
  2. Step 2: Convert to fraction form
    63,095.60/94,643.40 = 18,718.40/x
  3. Step 3: Cross multiply
    63,095.60x = 94,643.40 × 18,718.40
  4. Step 4: Simplify right side
    63,095.60x = 1,771,573,018.56
  5. Step 5: Solve for x
    x = 1,771,573,018.56/63,095.60
  6. Step 6: Final answer
    x = 28,077.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.