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Finding the Fourth Proportional to 56,684.79, 85,060.04 and 28,607.04

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Solution

The fourth proportional to 56,684.79, 85,060.04 and 28,607.04 is: 42,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,684.79 : 85,060.04 = 28,607.04 : x
  2. Step 2: Convert to fraction form
    56,684.79/85,060.04 = 28,607.04/x
  3. Step 3: Cross multiply
    56,684.79x = 85,060.04 × 28,607.04
  4. Step 4: Simplify right side
    56,684.79x = 2,433,316,038.20
  5. Step 5: Solve for x
    x = 2,433,316,038.20/56,684.79
  6. Step 6: Final answer
    x = 42,927.14

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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.