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Finding the Fourth Proportional to 9,710,827.60, 13,615,065.20 and 9,710,827.60

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Solution

The fourth proportional to 9,710,827.60, 13,615,065.20 and 9,710,827.60 is: 13,615,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710,827.60 : 13,615,065.20 = 9,710,827.60 : x
  2. Step 2: Convert to fraction form
    9,710,827.60/13,615,065.20 = 9,710,827.60/x
  3. Step 3: Cross multiply
    9,710,827.60x = 13,615,065.20 × 9,710,827.60
  4. Step 4: Simplify right side
    9,710,827.60x = 132,213,550,919,959.50
  5. Step 5: Solve for x
    x = 132,213,550,919,959.50/9,710,827.60
  6. Step 6: Final answer
    x = 13,615,065.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.