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Finding the Fourth Proportional to 56,328.40, 84,492.60 and 14,779.60

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Solution

The fourth proportional to 56,328.40, 84,492.60 and 14,779.60 is: 22,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,328.40 : 84,492.60 = 14,779.60 : x
  2. Step 2: Convert to fraction form
    56,328.40/84,492.60 = 14,779.60/x
  3. Step 3: Cross multiply
    56,328.40x = 84,492.60 × 14,779.60
  4. Step 4: Simplify right side
    56,328.40x = 1,248,766,830.96
  5. Step 5: Solve for x
    x = 1,248,766,830.96/56,328.40
  6. Step 6: Final answer
    x = 22,169.40

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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.