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Finding the Fourth Proportional to 52,547.92, 78,798.48 and 19,259.20

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Solution

The fourth proportional to 52,547.92, 78,798.48 and 19,259.20 is: 28,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,547.92 : 78,798.48 = 19,259.20 : x
  2. Step 2: Convert to fraction form
    52,547.92/78,798.48 = 19,259.20/x
  3. Step 3: Cross multiply
    52,547.92x = 78,798.48 × 19,259.20
  4. Step 4: Simplify right side
    52,547.92x = 1,517,595,686.02
  5. Step 5: Solve for x
    x = 1,517,595,686.02/52,547.92
  6. Step 6: Final answer
    x = 28,880.22

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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.